Home / 124,774.38-172,168.74-71,060.40

Finding the Fourth Proportional to 124,774.38, 172,168.74 and 71,060.40

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Solution

The fourth proportional to 124,774.38, 172,168.74 and 71,060.40 is: 98,052.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,774.38 : 172,168.74 = 71,060.40 : x
  2. Step 2: Convert to fraction form
    124,774.38/172,168.74 = 71,060.40/x
  3. Step 3: Cross multiply
    124,774.38x = 172,168.74 × 71,060.40
  4. Step 4: Simplify right side
    124,774.38x = 12,234,379,531.90
  5. Step 5: Solve for x
    x = 12,234,379,531.90/124,774.38
  6. Step 6: Final answer
    x = 98,052.02

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1.5x scale

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.