Home / 57,323.10-85,984.65-43,326.30

Finding the Fourth Proportional to 57,323.10, 85,984.65 and 43,326.30

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Solution

The fourth proportional to 57,323.10, 85,984.65 and 43,326.30 is: 64,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,323.10 : 85,984.65 = 43,326.30 : x
  2. Step 2: Convert to fraction form
    57,323.10/85,984.65 = 43,326.30/x
  3. Step 3: Cross multiply
    57,323.10x = 85,984.65 × 43,326.30
  4. Step 4: Simplify right side
    57,323.10x = 3,725,396,741.30
  5. Step 5: Solve for x
    x = 3,725,396,741.30/57,323.10
  6. Step 6: Final answer
    x = 64,989.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.