Home / 88,591.40-132,887.10-53,109.80

Finding the Fourth Proportional to 88,591.40, 132,887.10 and 53,109.80

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Solution

The fourth proportional to 88,591.40, 132,887.10 and 53,109.80 is: 79,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,591.40 : 132,887.10 = 53,109.80 : x
  2. Step 2: Convert to fraction form
    88,591.40/132,887.10 = 53,109.80/x
  3. Step 3: Cross multiply
    88,591.40x = 132,887.10 × 53,109.80
  4. Step 4: Simplify right side
    88,591.40x = 7,057,607,303.58
  5. Step 5: Solve for x
    x = 7,057,607,303.58/88,591.40
  6. Step 6: Final answer
    x = 79,664.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.