Home / 91,589.28-126,403.84-55,800.32

Finding the Fourth Proportional to 91,589.28, 126,403.84 and 55,800.32

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Solution

The fourth proportional to 91,589.28, 126,403.84 and 55,800.32 is: 77,010.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,589.28 : 126,403.84 = 55,800.32 : x
  2. Step 2: Convert to fraction form
    91,589.28/126,403.84 = 55,800.32/x
  3. Step 3: Cross multiply
    91,589.28x = 126,403.84 × 55,800.32
  4. Step 4: Simplify right side
    91,589.28x = 7,053,374,721.23
  5. Step 5: Solve for x
    x = 7,053,374,721.23/91,589.28
  6. Step 6: Final answer
    x = 77,010.92

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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.