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Finding the Fourth Proportional to 62,762.59, 86,612.28 and 34,468.28

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Solution

The fourth proportional to 62,762.59, 86,612.28 and 34,468.28 is: 47,566.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,762.59 : 86,612.28 = 34,468.28 : x
  2. Step 2: Convert to fraction form
    62,762.59/86,612.28 = 34,468.28/x
  3. Step 3: Cross multiply
    62,762.59x = 86,612.28 × 34,468.28
  4. Step 4: Simplify right side
    62,762.59x = 2,985,376,146.14
  5. Step 5: Solve for x
    x = 2,985,376,146.14/62,762.59
  6. Step 6: Final answer
    x = 47,566.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.