Home / 67,123.84-100,680.47-39,025.95

Finding the Fourth Proportional to 67,123.84, 100,680.47 and 39,025.95

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Solution

The fourth proportional to 67,123.84, 100,680.47 and 39,025.95 is: 58,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,123.84 : 100,680.47 = 39,025.95 : x
  2. Step 2: Convert to fraction form
    67,123.84/100,680.47 = 39,025.95/x
  3. Step 3: Cross multiply
    67,123.84x = 100,680.47 × 39,025.95
  4. Step 4: Simplify right side
    67,123.84x = 3,929,151,128.19
  5. Step 5: Solve for x
    x = 3,929,151,128.19/67,123.84
  6. Step 6: Final answer
    x = 58,535.85

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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.