Home / 90,952.81-125,498.20-50,665.57

Finding the Fourth Proportional to 90,952.81, 125,498.20 and 50,665.57

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Solution

The fourth proportional to 90,952.81, 125,498.20 and 50,665.57 is: 69,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,952.81 : 125,498.20 = 50,665.57 : x
  2. Step 2: Convert to fraction form
    90,952.81/125,498.20 = 50,665.57/x
  3. Step 3: Cross multiply
    90,952.81x = 125,498.20 × 50,665.57
  4. Step 4: Simplify right side
    90,952.81x = 6,358,437,836.97
  5. Step 5: Solve for x
    x = 6,358,437,836.97/90,952.81
  6. Step 6: Final answer
    x = 69,909.20

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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.