Home / 124,917.06-172,337.13-79,586.93

Finding the Fourth Proportional to 124,917.06, 172,337.13 and 79,586.93

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Solution

The fourth proportional to 124,917.06, 172,337.13 and 79,586.93 is: 109,799.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,917.06 : 172,337.13 = 79,586.93 : x
  2. Step 2: Convert to fraction form
    124,917.06/172,337.13 = 79,586.93/x
  3. Step 3: Cross multiply
    124,917.06x = 172,337.13 × 79,586.93
  4. Step 4: Simplify right side
    124,917.06x = 13,715,783,101.71
  5. Step 5: Solve for x
    x = 13,715,783,101.71/124,917.06
  6. Step 6: Final answer
    x = 109,799.12

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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.