Home / 89,959.21-124,144.31-49,123.62

Finding the Fourth Proportional to 89,959.21, 124,144.31 and 49,123.62

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Solution

The fourth proportional to 89,959.21, 124,144.31 and 49,123.62 is: 67,790.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,959.21 : 124,144.31 = 49,123.62 : x
  2. Step 2: Convert to fraction form
    89,959.21/124,144.31 = 49,123.62/x
  3. Step 3: Cross multiply
    89,959.21x = 124,144.31 × 49,123.62
  4. Step 4: Simplify right side
    89,959.21x = 6,098,417,909.60
  5. Step 5: Solve for x
    x = 6,098,417,909.60/89,959.21
  6. Step 6: Final answer
    x = 67,790.92

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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.