Home / 77,425.27-106,733.76-54,724.21

Finding the Fourth Proportional to 77,425.27, 106,733.76 and 54,724.21

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Solution

The fourth proportional to 77,425.27, 106,733.76 and 54,724.21 is: 75,439.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,425.27 : 106,733.76 = 54,724.21 : x
  2. Step 2: Convert to fraction form
    77,425.27/106,733.76 = 54,724.21/x
  3. Step 3: Cross multiply
    77,425.27x = 106,733.76 × 54,724.21
  4. Step 4: Simplify right side
    77,425.27x = 5,840,920,224.28
  5. Step 5: Solve for x
    x = 5,840,920,224.28/77,425.27
  6. Step 6: Final answer
    x = 75,439.46

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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.