Home / 74,793.24-103,213.85-40,802.13

Finding the Fourth Proportional to 74,793.24, 103,213.85 and 40,802.13

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Solution

The fourth proportional to 74,793.24, 103,213.85 and 40,802.13 is: 56,306.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,793.24 : 103,213.85 = 40,802.13 : x
  2. Step 2: Convert to fraction form
    74,793.24/103,213.85 = 40,802.13/x
  3. Step 3: Cross multiply
    74,793.24x = 103,213.85 × 40,802.13
  4. Step 4: Simplify right side
    74,793.24x = 4,211,344,721.49
  5. Step 5: Solve for x
    x = 4,211,344,721.49/74,793.24
  6. Step 6: Final answer
    x = 56,306.49

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1.5x scale

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.