Home / 57,326.10-85,989.15-43,329.30

Finding the Fourth Proportional to 57,326.10, 85,989.15 and 43,329.30

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Solution

The fourth proportional to 57,326.10, 85,989.15 and 43,329.30 is: 64,993.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,326.10 : 85,989.15 = 43,329.30 : x
  2. Step 2: Convert to fraction form
    57,326.10/85,989.15 = 43,329.30/x
  3. Step 3: Cross multiply
    57,326.10x = 85,989.15 × 43,329.30
  4. Step 4: Simplify right side
    57,326.10x = 3,725,849,677.10
  5. Step 5: Solve for x
    x = 3,725,849,677.10/57,326.10
  6. Step 6: Final answer
    x = 64,993.95

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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.