Home / 124,929.95-172,402.79-67,569.33

Finding the Fourth Proportional to 124,929.95, 172,402.79 and 67,569.33

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Solution

The fourth proportional to 124,929.95, 172,402.79 and 67,569.33 is: 93,245.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,929.95 : 172,402.79 = 67,569.33 : x
  2. Step 2: Convert to fraction form
    124,929.95/172,402.79 = 67,569.33/x
  3. Step 3: Cross multiply
    124,929.95x = 172,402.79 × 67,569.33
  4. Step 4: Simplify right side
    124,929.95x = 11,649,141,010.43
  5. Step 5: Solve for x
    x = 11,649,141,010.43/124,929.95
  6. Step 6: Final answer
    x = 93,245.38

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1.5x scale

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.