Home / 43,088.42-64,633.44-13,505.60

Finding the Fourth Proportional to 43,088.42, 64,633.44 and 13,505.60

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Solution

The fourth proportional to 43,088.42, 64,633.44 and 13,505.60 is: 20,258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,088.42 : 64,633.44 = 13,505.60 : x
  2. Step 2: Convert to fraction form
    43,088.42/64,633.44 = 13,505.60/x
  3. Step 3: Cross multiply
    43,088.42x = 64,633.44 × 13,505.60
  4. Step 4: Simplify right side
    43,088.42x = 872,913,387.26
  5. Step 5: Solve for x
    x = 872,913,387.26/43,088.42
  6. Step 6: Final answer
    x = 20,258.65

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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.