Home / 124,814.98-172,232.46-71,095.78

Finding the Fourth Proportional to 124,814.98, 172,232.46 and 71,095.78

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Solution

The fourth proportional to 124,814.98, 172,232.46 and 71,095.78 is: 98,105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,814.98 : 172,232.46 = 71,095.78 : x
  2. Step 2: Convert to fraction form
    124,814.98/172,232.46 = 71,095.78/x
  3. Step 3: Cross multiply
    124,814.98x = 172,232.46 × 71,095.78
  4. Step 4: Simplify right side
    124,814.98x = 12,245,001,085.02
  5. Step 5: Solve for x
    x = 12,245,001,085.02/124,814.98
  6. Step 6: Final answer
    x = 98,105.22

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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.