Home / 72,343.28-108,547.32-57,504.08

Finding the Fourth Proportional to 72,343.28, 108,547.32 and 57,504.08

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Solution

The fourth proportional to 72,343.28, 108,547.32 and 57,504.08 is: 86,281.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,343.28 : 108,547.32 = 57,504.08 : x
  2. Step 2: Convert to fraction form
    72,343.28/108,547.32 = 57,504.08/x
  3. Step 3: Cross multiply
    72,343.28x = 108,547.32 × 57,504.08
  4. Step 4: Simplify right side
    72,343.28x = 6,241,913,773.07
  5. Step 5: Solve for x
    x = 6,241,913,773.07/72,343.28
  6. Step 6: Final answer
    x = 86,281.87

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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.