Home / 91,856.52-137,656.40-49,645.58

Finding the Fourth Proportional to 91,856.52, 137,656.40 and 49,645.58

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Solution

The fourth proportional to 91,856.52, 137,656.40 and 49,645.58 is: 74,398.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,856.52 : 137,656.40 = 49,645.58 : x
  2. Step 2: Convert to fraction form
    91,856.52/137,656.40 = 49,645.58/x
  3. Step 3: Cross multiply
    91,856.52x = 137,656.40 × 49,645.58
  4. Step 4: Simplify right side
    91,856.52x = 6,834,030,882.20
  5. Step 5: Solve for x
    x = 6,834,030,882.20/91,856.52
  6. Step 6: Final answer
    x = 74,398.97

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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.