Home / 124,774.22-172,188.38-71,059.28

Finding the Fourth Proportional to 124,774.22, 172,188.38 and 71,059.28

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Solution

The fourth proportional to 124,774.22, 172,188.38 and 71,059.28 is: 98,061.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,774.22 : 172,188.38 = 71,059.28 : x
  2. Step 2: Convert to fraction form
    124,774.22/172,188.38 = 71,059.28/x
  3. Step 3: Cross multiply
    124,774.22x = 172,188.38 × 71,059.28
  4. Step 4: Simplify right side
    124,774.22x = 12,235,581,623.87
  5. Step 5: Solve for x
    x = 12,235,581,623.87/124,774.22
  6. Step 6: Final answer
    x = 98,061.77

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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.