Home / 103,247.17-154,620.66-52,512.71

Finding the Fourth Proportional to 103,247.17, 154,620.66 and 52,512.71

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Solution

The fourth proportional to 103,247.17, 154,620.66 and 52,512.71 is: 78,641.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,247.17 : 154,620.66 = 52,512.71 : x
  2. Step 2: Convert to fraction form
    103,247.17/154,620.66 = 52,512.71/x
  3. Step 3: Cross multiply
    103,247.17x = 154,620.66 × 52,512.71
  4. Step 4: Simplify right side
    103,247.17x = 8,119,549,878.59
  5. Step 5: Solve for x
    x = 8,119,549,878.59/103,247.17
  6. Step 6: Final answer
    x = 78,641.86

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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.