Home / 88,276.32-132,339.90-38,318.64

Finding the Fourth Proportional to 88,276.32, 132,339.90 and 38,318.64

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Solution

The fourth proportional to 88,276.32, 132,339.90 and 38,318.64 is: 57,445.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,276.32 : 132,339.90 = 38,318.64 : x
  2. Step 2: Convert to fraction form
    88,276.32/132,339.90 = 38,318.64/x
  3. Step 3: Cross multiply
    88,276.32x = 132,339.90 × 38,318.64
  4. Step 4: Simplify right side
    88,276.32x = 5,071,084,985.74
  5. Step 5: Solve for x
    x = 5,071,084,985.74/88,276.32
  6. Step 6: Final answer
    x = 57,445.59

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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.