Home / 88,137.52-121,546.40-57,869.44

Finding the Fourth Proportional to 88,137.52, 121,546.40 and 57,869.44

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Solution

The fourth proportional to 88,137.52, 121,546.40 and 57,869.44 is: 79,805.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,137.52 : 121,546.40 = 57,869.44 : x
  2. Step 2: Convert to fraction form
    88,137.52/121,546.40 = 57,869.44/x
  3. Step 3: Cross multiply
    88,137.52x = 121,546.40 × 57,869.44
  4. Step 4: Simplify right side
    88,137.52x = 7,033,822,102.02
  5. Step 5: Solve for x
    x = 7,033,822,102.02/88,137.52
  6. Step 6: Final answer
    x = 79,805.08

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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.