Home / 91,084.27-125,663.16-52,822.71

Finding the Fourth Proportional to 91,084.27, 125,663.16 and 52,822.71

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Solution

The fourth proportional to 91,084.27, 125,663.16 and 52,822.71 is: 72,876.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,084.27 : 125,663.16 = 52,822.71 : x
  2. Step 2: Convert to fraction form
    91,084.27/125,663.16 = 52,822.71/x
  3. Step 3: Cross multiply
    91,084.27x = 125,663.16 × 52,822.71
  4. Step 4: Simplify right side
    91,084.27x = 6,637,868,162.10
  5. Step 5: Solve for x
    x = 6,637,868,162.10/91,084.27
  6. Step 6: Final answer
    x = 72,876.12

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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.