Home / 92,042.04-137,860.68-76,066.02

Finding the Fourth Proportional to 92,042.04, 137,860.68 and 76,066.02

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Solution

The fourth proportional to 92,042.04, 137,860.68 and 76,066.02 is: 113,931.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,042.04 : 137,860.68 = 76,066.02 : x
  2. Step 2: Convert to fraction form
    92,042.04/137,860.68 = 76,066.02/x
  3. Step 3: Cross multiply
    92,042.04x = 137,860.68 × 76,066.02
  4. Step 4: Simplify right side
    92,042.04x = 10,486,513,242.09
  5. Step 5: Solve for x
    x = 10,486,513,242.09/92,042.04
  6. Step 6: Final answer
    x = 113,931.78

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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.