Home / 92,708.14-138,681.35-74,024.66

Finding the Fourth Proportional to 92,708.14, 138,681.35 and 74,024.66

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Solution

The fourth proportional to 92,708.14, 138,681.35 and 74,024.66 is: 110,732.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,708.14 : 138,681.35 = 74,024.66 : x
  2. Step 2: Convert to fraction form
    92,708.14/138,681.35 = 74,024.66/x
  3. Step 3: Cross multiply
    92,708.14x = 138,681.35 × 74,024.66
  4. Step 4: Simplify right side
    92,708.14x = 10,265,839,758.67
  5. Step 5: Solve for x
    x = 10,265,839,758.67/92,708.14
  6. Step 6: Final answer
    x = 110,732.89

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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.