Home / 83,603.22-115,375.77-45,878.82

Finding the Fourth Proportional to 83,603.22, 115,375.77 and 45,878.82

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Solution

The fourth proportional to 83,603.22, 115,375.77 and 45,878.82 is: 63,314.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,603.22 : 115,375.77 = 45,878.82 : x
  2. Step 2: Convert to fraction form
    83,603.22/115,375.77 = 45,878.82/x
  3. Step 3: Cross multiply
    83,603.22x = 115,375.77 × 45,878.82
  4. Step 4: Simplify right side
    83,603.22x = 5,293,304,184.19
  5. Step 5: Solve for x
    x = 5,293,304,184.19/83,603.22
  6. Step 6: Final answer
    x = 63,314.60

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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.