Home / 78,182.12-107,892.60-44,193.32

Finding the Fourth Proportional to 78,182.12, 107,892.60 and 44,193.32

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Solution

The fourth proportional to 78,182.12, 107,892.60 and 44,193.32 is: 60,987.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,182.12 : 107,892.60 = 44,193.32 : x
  2. Step 2: Convert to fraction form
    78,182.12/107,892.60 = 44,193.32/x
  3. Step 3: Cross multiply
    78,182.12x = 107,892.60 × 44,193.32
  4. Step 4: Simplify right side
    78,182.12x = 4,768,132,197.43
  5. Step 5: Solve for x
    x = 4,768,132,197.43/78,182.12
  6. Step 6: Final answer
    x = 60,987.50

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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.