Home / 88,172.32-132,232.56-48,722.08

Finding the Fourth Proportional to 88,172.32, 132,232.56 and 48,722.08

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Solution

The fourth proportional to 88,172.32, 132,232.56 and 48,722.08 is: 73,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,172.32 : 132,232.56 = 48,722.08 : x
  2. Step 2: Convert to fraction form
    88,172.32/132,232.56 = 48,722.08/x
  3. Step 3: Cross multiply
    88,172.32x = 132,232.56 × 48,722.08
  4. Step 4: Simplify right side
    88,172.32x = 6,442,645,366.92
  5. Step 5: Solve for x
    x = 6,442,645,366.92/88,172.32
  6. Step 6: Final answer
    x = 73,068.80

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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.