Home / 124,712.79-172,097.23-68,113.23

Finding the Fourth Proportional to 124,712.79, 172,097.23 and 68,113.23

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Solution

The fourth proportional to 124,712.79, 172,097.23 and 68,113.23 is: 93,992.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,712.79 : 172,097.23 = 68,113.23 : x
  2. Step 2: Convert to fraction form
    124,712.79/172,097.23 = 68,113.23/x
  3. Step 3: Cross multiply
    124,712.79x = 172,097.23 × 68,113.23
  4. Step 4: Simplify right side
    124,712.79x = 11,722,098,209.35
  5. Step 5: Solve for x
    x = 11,722,098,209.35/124,712.79
  6. Step 6: Final answer
    x = 93,992.75

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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.