Home / 90,816.96-125,260.38-62,531.76

Finding the Fourth Proportional to 90,816.96, 125,260.38 and 62,531.76

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Solution

The fourth proportional to 90,816.96, 125,260.38 and 62,531.76 is: 86,247.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,816.96 : 125,260.38 = 62,531.76 : x
  2. Step 2: Convert to fraction form
    90,816.96/125,260.38 = 62,531.76/x
  3. Step 3: Cross multiply
    90,816.96x = 125,260.38 × 62,531.76
  4. Step 4: Simplify right side
    90,816.96x = 7,832,752,019.67
  5. Step 5: Solve for x
    x = 7,832,752,019.67/90,816.96
  6. Step 6: Final answer
    x = 86,247.68

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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.