Home / 74,937.24-103,368.15-49,434.55

Finding the Fourth Proportional to 74,937.24, 103,368.15 and 49,434.55

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Solution

The fourth proportional to 74,937.24, 103,368.15 and 49,434.55 is: 68,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,937.24 : 103,368.15 = 49,434.55 : x
  2. Step 2: Convert to fraction form
    74,937.24/103,368.15 = 49,434.55/x
  3. Step 3: Cross multiply
    74,937.24x = 103,368.15 × 49,434.55
  4. Step 4: Simplify right side
    74,937.24x = 5,109,957,721.16
  5. Step 5: Solve for x
    x = 5,109,957,721.16/74,937.24
  6. Step 6: Final answer
    x = 68,189.83

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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.