Home / 109,856.70-151,575.02-62,109.02

Finding the Fourth Proportional to 109,856.70, 151,575.02 and 62,109.02

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Solution

The fourth proportional to 109,856.70, 151,575.02 and 62,109.02 is: 85,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,856.70 : 151,575.02 = 62,109.02 : x
  2. Step 2: Convert to fraction form
    109,856.70/151,575.02 = 62,109.02/x
  3. Step 3: Cross multiply
    109,856.70x = 151,575.02 × 62,109.02
  4. Step 4: Simplify right side
    109,856.70x = 9,414,175,948.68
  5. Step 5: Solve for x
    x = 9,414,175,948.68/109,856.70
  6. Step 6: Final answer
    x = 85,695.06

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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.