Home / 92,918.79-139,387.38-29,723.04

Finding the Fourth Proportional to 92,918.79, 139,387.38 and 29,723.04

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Solution

The fourth proportional to 92,918.79, 139,387.38 and 29,723.04 is: 44,587.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,918.79 : 139,387.38 = 29,723.04 : x
  2. Step 2: Convert to fraction form
    92,918.79/139,387.38 = 29,723.04/x
  3. Step 3: Cross multiply
    92,918.79x = 139,387.38 × 29,723.04
  4. Step 4: Simplify right side
    92,918.79x = 4,143,016,671.24
  5. Step 5: Solve for x
    x = 4,143,016,671.24/92,918.79
  6. Step 6: Final answer
    x = 44,587.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.