Home / 124,929.93-172,402.76-67,569.31

Finding the Fourth Proportional to 124,929.93, 172,402.76 and 67,569.31

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Solution

The fourth proportional to 124,929.93, 172,402.76 and 67,569.31 is: 93,245.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,929.93 : 172,402.76 = 67,569.31 : x
  2. Step 2: Convert to fraction form
    124,929.93/172,402.76 = 67,569.31/x
  3. Step 3: Cross multiply
    124,929.93x = 172,402.76 × 67,569.31
  4. Step 4: Simplify right side
    124,929.93x = 11,649,135,273.21
  5. Step 5: Solve for x
    x = 11,649,135,273.21/124,929.93
  6. Step 6: Final answer
    x = 93,245.35

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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.