Home / 88,821.88-122,656.05-57,046.14

Finding the Fourth Proportional to 88,821.88, 122,656.05 and 57,046.14

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Solution

The fourth proportional to 88,821.88, 122,656.05 and 57,046.14 is: 78,776.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,821.88 : 122,656.05 = 57,046.14 : x
  2. Step 2: Convert to fraction form
    88,821.88/122,656.05 = 57,046.14/x
  3. Step 3: Cross multiply
    88,821.88x = 122,656.05 × 57,046.14
  4. Step 4: Simplify right side
    88,821.88x = 6,997,054,200.15
  5. Step 5: Solve for x
    x = 6,997,054,200.15/88,821.88
  6. Step 6: Final answer
    x = 78,776.25

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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.