Home / 127,070.80-175,345.24-70,481.04

Finding the Fourth Proportional to 127,070.80, 175,345.24 and 70,481.04

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Solution

The fourth proportional to 127,070.80, 175,345.24 and 70,481.04 is: 97,256.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,070.80 : 175,345.24 = 70,481.04 : x
  2. Step 2: Convert to fraction form
    127,070.80/175,345.24 = 70,481.04/x
  3. Step 3: Cross multiply
    127,070.80x = 175,345.24 × 70,481.04
  4. Step 4: Simplify right side
    127,070.80x = 12,358,514,874.25
  5. Step 5: Solve for x
    x = 12,358,514,874.25/127,070.80
  6. Step 6: Final answer
    x = 97,256.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.