Home / 79,432.48-119,143.04-46,131.76

Finding the Fourth Proportional to 79,432.48, 119,143.04 and 46,131.76

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Solution

The fourth proportional to 79,432.48, 119,143.04 and 46,131.76 is: 69,194.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,432.48 : 119,143.04 = 46,131.76 : x
  2. Step 2: Convert to fraction form
    79,432.48/119,143.04 = 46,131.76/x
  3. Step 3: Cross multiply
    79,432.48x = 119,143.04 × 46,131.76
  4. Step 4: Simplify right side
    79,432.48x = 5,496,278,126.95
  5. Step 5: Solve for x
    x = 5,496,278,126.95/79,432.48
  6. Step 6: Final answer
    x = 69,194.34

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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.