Home / 82,115.96-113,319.98-44,390.28

Finding the Fourth Proportional to 82,115.96, 113,319.98 and 44,390.28

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Solution

The fourth proportional to 82,115.96, 113,319.98 and 44,390.28 is: 61,258.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,115.96 : 113,319.98 = 44,390.28 : x
  2. Step 2: Convert to fraction form
    82,115.96/113,319.98 = 44,390.28/x
  3. Step 3: Cross multiply
    82,115.96x = 113,319.98 × 44,390.28
  4. Step 4: Simplify right side
    82,115.96x = 5,030,305,641.79
  5. Step 5: Solve for x
    x = 5,030,305,641.79/82,115.96
  6. Step 6: Final answer
    x = 61,258.56

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1.5x scale

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.