Home / 124,996.10-172,494.93-68,407.47

Finding the Fourth Proportional to 124,996.10, 172,494.93 and 68,407.47

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Solution

The fourth proportional to 124,996.10, 172,494.93 and 68,407.47 is: 94,402.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,996.10 : 172,494.93 = 68,407.47 : x
  2. Step 2: Convert to fraction form
    124,996.10/172,494.93 = 68,407.47/x
  3. Step 3: Cross multiply
    124,996.10x = 172,494.93 × 68,407.47
  4. Step 4: Simplify right side
    124,996.10x = 11,799,942,005.66
  5. Step 5: Solve for x
    x = 11,799,942,005.66/124,996.10
  6. Step 6: Final answer
    x = 94,402.49

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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.