Home / 62,123.90-93,120.23-30,489.95

Finding the Fourth Proportional to 62,123.90, 93,120.23 and 30,489.95

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Solution

The fourth proportional to 62,123.90, 93,120.23 and 30,489.95 is: 45,702.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,123.90 : 93,120.23 = 30,489.95 : x
  2. Step 2: Convert to fraction form
    62,123.90/93,120.23 = 30,489.95/x
  3. Step 3: Cross multiply
    62,123.90x = 93,120.23 × 30,489.95
  4. Step 4: Simplify right side
    62,123.90x = 2,839,231,465.71
  5. Step 5: Solve for x
    x = 2,839,231,465.71/62,123.90
  6. Step 6: Final answer
    x = 45,702.73

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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.