Home / 106,834.28-147,414.92-61,503.50

Finding the Fourth Proportional to 106,834.28, 147,414.92 and 61,503.50

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Solution

The fourth proportional to 106,834.28, 147,414.92 and 61,503.50 is: 84,865.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,834.28 : 147,414.92 = 61,503.50 : x
  2. Step 2: Convert to fraction form
    106,834.28/147,414.92 = 61,503.50/x
  3. Step 3: Cross multiply
    106,834.28x = 147,414.92 × 61,503.50
  4. Step 4: Simplify right side
    106,834.28x = 9,066,532,487.63
  5. Step 5: Solve for x
    x = 9,066,532,487.63/106,834.28
  6. Step 6: Final answer
    x = 84,865.39

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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.