Home / 90,450.39-124,829.20-50,177.13

Finding the Fourth Proportional to 90,450.39, 124,829.20 and 50,177.13

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Solution

The fourth proportional to 90,450.39, 124,829.20 and 50,177.13 is: 69,248.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,450.39 : 124,829.20 = 50,177.13 : x
  2. Step 2: Convert to fraction form
    90,450.39/124,829.20 = 50,177.13/x
  3. Step 3: Cross multiply
    90,450.39x = 124,829.20 × 50,177.13
  4. Step 4: Simplify right side
    90,450.39x = 6,263,570,996.20
  5. Step 5: Solve for x
    x = 6,263,570,996.20/90,450.39
  6. Step 6: Final answer
    x = 69,248.69

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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.