Home / 49,721.24-74,581.86-40,937.70

Finding the Fourth Proportional to 49,721.24, 74,581.86 and 40,937.70

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Solution

The fourth proportional to 49,721.24, 74,581.86 and 40,937.70 is: 61,406.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,721.24 : 74,581.86 = 40,937.70 : x
  2. Step 2: Convert to fraction form
    49,721.24/74,581.86 = 40,937.70/x
  3. Step 3: Cross multiply
    49,721.24x = 74,581.86 × 40,937.70
  4. Step 4: Simplify right side
    49,721.24x = 3,053,209,656.61
  5. Step 5: Solve for x
    x = 3,053,209,656.61/49,721.24
  6. Step 6: Final answer
    x = 61,406.55

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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.