Home / 90,318.73-124,631.26-50,031.63

Finding the Fourth Proportional to 90,318.73, 124,631.26 and 50,031.63

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Solution

The fourth proportional to 90,318.73, 124,631.26 and 50,031.63 is: 69,038.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,318.73 : 124,631.26 = 50,031.63 : x
  2. Step 2: Convert to fraction form
    90,318.73/124,631.26 = 50,031.63/x
  3. Step 3: Cross multiply
    90,318.73x = 124,631.26 × 50,031.63
  4. Step 4: Simplify right side
    90,318.73x = 6,235,505,086.75
  5. Step 5: Solve for x
    x = 6,235,505,086.75/90,318.73
  6. Step 6: Final answer
    x = 69,038.89

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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.