Home / 111,521.75-153,898.19-63,773.47

Finding the Fourth Proportional to 111,521.75, 153,898.19 and 63,773.47

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Solution

The fourth proportional to 111,521.75, 153,898.19 and 63,773.47 is: 88,006.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,521.75 : 153,898.19 = 63,773.47 : x
  2. Step 2: Convert to fraction form
    111,521.75/153,898.19 = 63,773.47/x
  3. Step 3: Cross multiply
    111,521.75x = 153,898.19 × 63,773.47
  4. Step 4: Simplify right side
    111,521.75x = 9,814,620,833.53
  5. Step 5: Solve for x
    x = 9,814,620,833.53/111,521.75
  6. Step 6: Final answer
    x = 88,006.34

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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.