Home / 88,149.52-121,562.94-57,881.44

Finding the Fourth Proportional to 88,149.52, 121,562.94 and 57,881.44

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Solution

The fourth proportional to 88,149.52, 121,562.94 and 57,881.44 is: 79,821.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,149.52 : 121,562.94 = 57,881.44 : x
  2. Step 2: Convert to fraction form
    88,149.52/121,562.94 = 57,881.44/x
  3. Step 3: Cross multiply
    88,149.52x = 121,562.94 × 57,881.44
  4. Step 4: Simplify right side
    88,149.52x = 7,036,238,017.83
  5. Step 5: Solve for x
    x = 7,036,238,017.83/88,149.52
  6. Step 6: Final answer
    x = 79,821.63

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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.