Home / 60,815.18-91,251.65-42,123.98

Finding the Fourth Proportional to 60,815.18, 91,251.65 and 42,123.98

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Solution

The fourth proportional to 60,815.18, 91,251.65 and 42,123.98 is: 63,205.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,815.18 : 91,251.65 = 42,123.98 : x
  2. Step 2: Convert to fraction form
    60,815.18/91,251.65 = 42,123.98/x
  3. Step 3: Cross multiply
    60,815.18x = 91,251.65 × 42,123.98
  4. Step 4: Simplify right side
    60,815.18x = 3,843,882,679.57
  5. Step 5: Solve for x
    x = 3,843,882,679.57/60,815.18
  6. Step 6: Final answer
    x = 63,205.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.