Home / 102,920.22-141,987.33-62,627.58

Finding the Fourth Proportional to 102,920.22, 141,987.33 and 62,627.58

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Solution

The fourth proportional to 102,920.22, 141,987.33 and 62,627.58 is: 86,400.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,920.22 : 141,987.33 = 62,627.58 : x
  2. Step 2: Convert to fraction form
    102,920.22/141,987.33 = 62,627.58/x
  3. Step 3: Cross multiply
    102,920.22x = 141,987.33 × 62,627.58
  4. Step 4: Simplify right side
    102,920.22x = 8,892,322,868.56
  5. Step 5: Solve for x
    x = 8,892,322,868.56/102,920.22
  6. Step 6: Final answer
    x = 86,400.15

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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.