Home / 107,240.14-147,947.05-61,885.95

Finding the Fourth Proportional to 107,240.14, 147,947.05 and 61,885.95

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Solution

The fourth proportional to 107,240.14, 147,947.05 and 61,885.95 is: 85,377.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,240.14 : 147,947.05 = 61,885.95 : x
  2. Step 2: Convert to fraction form
    107,240.14/147,947.05 = 61,885.95/x
  3. Step 3: Cross multiply
    107,240.14x = 147,947.05 × 61,885.95
  4. Step 4: Simplify right side
    107,240.14x = 9,155,843,438.28
  5. Step 5: Solve for x
    x = 9,155,843,438.28/107,240.14
  6. Step 6: Final answer
    x = 85,377.02

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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.