Home / 72,910.08-109,356.48-22,988.16

Finding the Fourth Proportional to 72,910.08, 109,356.48 and 22,988.16

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Solution

The fourth proportional to 72,910.08, 109,356.48 and 22,988.16 is: 34,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,910.08 : 109,356.48 = 22,988.16 : x
  2. Step 2: Convert to fraction form
    72,910.08/109,356.48 = 22,988.16/x
  3. Step 3: Cross multiply
    72,910.08x = 109,356.48 × 22,988.16
  4. Step 4: Simplify right side
    72,910.08x = 2,513,904,259.28
  5. Step 5: Solve for x
    x = 2,513,904,259.28/72,910.08
  6. Step 6: Final answer
    x = 34,479.52

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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.