Home / 81,660.83-112,697.52-45,366.53

Finding the Fourth Proportional to 81,660.83, 112,697.52 and 45,366.53

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Solution

The fourth proportional to 81,660.83, 112,697.52 and 45,366.53 is: 62,608.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,660.83 : 112,697.52 = 45,366.53 : x
  2. Step 2: Convert to fraction form
    81,660.83/112,697.52 = 45,366.53/x
  3. Step 3: Cross multiply
    81,660.83x = 112,697.52 × 45,366.53
  4. Step 4: Simplify right side
    81,660.83x = 5,112,695,422.01
  5. Step 5: Solve for x
    x = 5,112,695,422.01/81,660.83
  6. Step 6: Final answer
    x = 62,608.91

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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.