Home / 76,227.52-105,194.88-42,237.12

Finding the Fourth Proportional to 76,227.52, 105,194.88 and 42,237.12

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Solution

The fourth proportional to 76,227.52, 105,194.88 and 42,237.12 is: 58,287.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,227.52 : 105,194.88 = 42,237.12 : x
  2. Step 2: Convert to fraction form
    76,227.52/105,194.88 = 42,237.12/x
  3. Step 3: Cross multiply
    76,227.52x = 105,194.88 × 42,237.12
  4. Step 4: Simplify right side
    76,227.52x = 4,443,128,769.95
  5. Step 5: Solve for x
    x = 4,443,128,769.95/76,227.52
  6. Step 6: Final answer
    x = 58,287.73

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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.