Home / 72,931.08-109,207.28-62,468.22

Finding the Fourth Proportional to 72,931.08, 109,207.28 and 62,468.22

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Solution

The fourth proportional to 72,931.08, 109,207.28 and 62,468.22 is: 93,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,931.08 : 109,207.28 = 62,468.22 : x
  2. Step 2: Convert to fraction form
    72,931.08/109,207.28 = 62,468.22/x
  3. Step 3: Cross multiply
    72,931.08x = 109,207.28 × 62,468.22
  4. Step 4: Simplify right side
    72,931.08x = 6,821,984,392.64
  5. Step 5: Solve for x
    x = 6,821,984,392.64/72,931.08
  6. Step 6: Final answer
    x = 93,540.15

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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.