Home / 103,229.27-154,909.67-47,074.97

Finding the Fourth Proportional to 103,229.27, 154,909.67 and 47,074.97

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Solution

The fourth proportional to 103,229.27, 154,909.67 and 47,074.97 is: 70,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,229.27 : 154,909.67 = 47,074.97 : x
  2. Step 2: Convert to fraction form
    103,229.27/154,909.67 = 47,074.97/x
  3. Step 3: Cross multiply
    103,229.27x = 154,909.67 × 47,074.97
  4. Step 4: Simplify right side
    103,229.27x = 7,292,368,219.86
  5. Step 5: Solve for x
    x = 7,292,368,219.86/103,229.27
  6. Step 6: Final answer
    x = 70,642.45

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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.