Home / 124,754.40-172,181.97-71,031.96

Finding the Fourth Proportional to 124,754.40, 172,181.97 and 71,031.96

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Solution

The fourth proportional to 124,754.40, 172,181.97 and 71,031.96 is: 98,036.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,754.40 : 172,181.97 = 71,031.96 : x
  2. Step 2: Convert to fraction form
    124,754.40/172,181.97 = 71,031.96/x
  3. Step 3: Cross multiply
    124,754.40x = 172,181.97 × 71,031.96
  4. Step 4: Simplify right side
    124,754.40x = 12,230,422,805.76
  5. Step 5: Solve for x
    x = 12,230,422,805.76/124,754.40
  6. Step 6: Final answer
    x = 98,036.00

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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.