Home / 124,981.16-172,473.38-68,392.04

Finding the Fourth Proportional to 124,981.16, 172,473.38 and 68,392.04

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Solution

The fourth proportional to 124,981.16, 172,473.38 and 68,392.04 is: 94,380.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,981.16 : 172,473.38 = 68,392.04 : x
  2. Step 2: Convert to fraction form
    124,981.16/172,473.38 = 68,392.04/x
  3. Step 3: Cross multiply
    124,981.16x = 172,473.38 × 68,392.04
  4. Step 4: Simplify right side
    124,981.16x = 11,795,806,303.90
  5. Step 5: Solve for x
    x = 11,795,806,303.90/124,981.16
  6. Step 6: Final answer
    x = 94,380.68

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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.