Home / 88,151.52-121,565.70-57,883.44

Finding the Fourth Proportional to 88,151.52, 121,565.70 and 57,883.44

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Solution

The fourth proportional to 88,151.52, 121,565.70 and 57,883.44 is: 79,824.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,151.52 : 121,565.70 = 57,883.44 : x
  2. Step 2: Convert to fraction form
    88,151.52/121,565.70 = 57,883.44/x
  3. Step 3: Cross multiply
    88,151.52x = 121,565.70 × 57,883.44
  4. Step 4: Simplify right side
    88,151.52x = 7,036,640,902.01
  5. Step 5: Solve for x
    x = 7,036,640,902.01/88,151.52
  6. Step 6: Final answer
    x = 79,824.39

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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.