Home / 88,145.90-132,275.55-48,731.30

Finding the Fourth Proportional to 88,145.90, 132,275.55 and 48,731.30

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Solution

The fourth proportional to 88,145.90, 132,275.55 and 48,731.30 is: 73,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,145.90 : 132,275.55 = 48,731.30 : x
  2. Step 2: Convert to fraction form
    88,145.90/132,275.55 = 48,731.30/x
  3. Step 3: Cross multiply
    88,145.90x = 132,275.55 × 48,731.30
  4. Step 4: Simplify right side
    88,145.90x = 6,445,959,509.72
  5. Step 5: Solve for x
    x = 6,445,959,509.72/88,145.90
  6. Step 6: Final answer
    x = 73,128.30

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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.