Home / 83,648.16-125,378.28-44,120.16

Finding the Fourth Proportional to 83,648.16, 125,378.28 and 44,120.16

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Solution

The fourth proportional to 83,648.16, 125,378.28 and 44,120.16 is: 66,130.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,648.16 : 125,378.28 = 44,120.16 : x
  2. Step 2: Convert to fraction form
    83,648.16/125,378.28 = 44,120.16/x
  3. Step 3: Cross multiply
    83,648.16x = 125,378.28 × 44,120.16
  4. Step 4: Simplify right side
    83,648.16x = 5,531,709,774.12
  5. Step 5: Solve for x
    x = 5,531,709,774.12/83,648.16
  6. Step 6: Final answer
    x = 66,130.68

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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.