Home / 74,816.80-103,175.17-50,342.76

Finding the Fourth Proportional to 74,816.80, 103,175.17 and 50,342.76

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Solution

The fourth proportional to 74,816.80, 103,175.17 and 50,342.76 is: 69,424.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,816.80 : 103,175.17 = 50,342.76 : x
  2. Step 2: Convert to fraction form
    74,816.80/103,175.17 = 50,342.76/x
  3. Step 3: Cross multiply
    74,816.80x = 103,175.17 × 50,342.76
  4. Step 4: Simplify right side
    74,816.80x = 5,194,122,821.27
  5. Step 5: Solve for x
    x = 5,194,122,821.27/74,816.80
  6. Step 6: Final answer
    x = 69,424.55

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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.