Home / 88,364.52-132,546.78-72,749.34

Finding the Fourth Proportional to 88,364.52, 132,546.78 and 72,749.34

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Solution

The fourth proportional to 88,364.52, 132,546.78 and 72,749.34 is: 109,124.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,364.52 : 132,546.78 = 72,749.34 : x
  2. Step 2: Convert to fraction form
    88,364.52/132,546.78 = 72,749.34/x
  3. Step 3: Cross multiply
    88,364.52x = 132,546.78 × 72,749.34
  4. Step 4: Simplify right side
    88,364.52x = 9,642,690,764.13
  5. Step 5: Solve for x
    x = 9,642,690,764.13/88,364.52
  6. Step 6: Final answer
    x = 109,124.01

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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.