Home / 124,701.76-172,088.42-68,113.26

Finding the Fourth Proportional to 124,701.76, 172,088.42 and 68,113.26

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Solution

The fourth proportional to 124,701.76, 172,088.42 and 68,113.26 is: 93,996.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,701.76 : 172,088.42 = 68,113.26 : x
  2. Step 2: Convert to fraction form
    124,701.76/172,088.42 = 68,113.26/x
  3. Step 3: Cross multiply
    124,701.76x = 172,088.42 × 68,113.26
  4. Step 4: Simplify right side
    124,701.76x = 11,721,503,294.45
  5. Step 5: Solve for x
    x = 11,721,503,294.45/124,701.76
  6. Step 6: Final answer
    x = 93,996.29

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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.