Home / 95,712.39-143,317.76-67,479.59

Finding the Fourth Proportional to 95,712.39, 143,317.76 and 67,479.59

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Solution

The fourth proportional to 95,712.39, 143,317.76 and 67,479.59 is: 101,042.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,712.39 : 143,317.76 = 67,479.59 : x
  2. Step 2: Convert to fraction form
    95,712.39/143,317.76 = 67,479.59/x
  3. Step 3: Cross multiply
    95,712.39x = 143,317.76 × 67,479.59
  4. Step 4: Simplify right side
    95,712.39x = 9,671,024,211.51
  5. Step 5: Solve for x
    x = 9,671,024,211.51/95,712.39
  6. Step 6: Final answer
    x = 101,042.55

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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.