Home / 84,921.42-117,210.87-52,663.17

Finding the Fourth Proportional to 84,921.42, 117,210.87 and 52,663.17

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Solution

The fourth proportional to 84,921.42, 117,210.87 and 52,663.17 is: 72,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,921.42 : 117,210.87 = 52,663.17 : x
  2. Step 2: Convert to fraction form
    84,921.42/117,210.87 = 52,663.17/x
  3. Step 3: Cross multiply
    84,921.42x = 117,210.87 × 52,663.17
  4. Step 4: Simplify right side
    84,921.42x = 6,172,695,972.66
  5. Step 5: Solve for x
    x = 6,172,695,972.66/84,921.42
  6. Step 6: Final answer
    x = 72,687.15

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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.