Home / 92,839.19-139,304.79-36,719.55

Finding the Fourth Proportional to 92,839.19, 139,304.79 and 36,719.55

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Solution

The fourth proportional to 92,839.19, 139,304.79 and 36,719.55 is: 55,097.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,839.19 : 139,304.79 = 36,719.55 : x
  2. Step 2: Convert to fraction form
    92,839.19/139,304.79 = 36,719.55/x
  3. Step 3: Cross multiply
    92,839.19x = 139,304.79 × 36,719.55
  4. Step 4: Simplify right side
    92,839.19x = 5,115,209,201.64
  5. Step 5: Solve for x
    x = 5,115,209,201.64/92,839.19
  6. Step 6: Final answer
    x = 55,097.52

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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.