Home / 77,403.16-106,849.02-52,286.68

Finding the Fourth Proportional to 77,403.16, 106,849.02 and 52,286.68

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Solution

The fourth proportional to 77,403.16, 106,849.02 and 52,286.68 is: 72,177.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,403.16 : 106,849.02 = 52,286.68 : x
  2. Step 2: Convert to fraction form
    77,403.16/106,849.02 = 52,286.68/x
  3. Step 3: Cross multiply
    77,403.16x = 106,849.02 × 52,286.68
  4. Step 4: Simplify right side
    77,403.16x = 5,586,780,517.05
  5. Step 5: Solve for x
    x = 5,586,780,517.05/77,403.16
  6. Step 6: Final answer
    x = 72,177.68

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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.