Home / 124,912.06-172,330.23-79,581.93

Finding the Fourth Proportional to 124,912.06, 172,330.23 and 79,581.93

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Solution

The fourth proportional to 124,912.06, 172,330.23 and 79,581.93 is: 109,792.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,912.06 : 172,330.23 = 79,581.93 : x
  2. Step 2: Convert to fraction form
    124,912.06/172,330.23 = 79,581.93/x
  3. Step 3: Cross multiply
    124,912.06x = 172,330.23 × 79,581.93
  4. Step 4: Simplify right side
    124,912.06x = 13,714,371,952.94
  5. Step 5: Solve for x
    x = 13,714,371,952.94/124,912.06
  6. Step 6: Final answer
    x = 109,792.22

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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.