Home / 85,576.29-118,080.96-49,767.81

Finding the Fourth Proportional to 85,576.29, 118,080.96 and 49,767.81

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Solution

The fourth proportional to 85,576.29, 118,080.96 and 49,767.81 is: 68,671.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,576.29 : 118,080.96 = 49,767.81 : x
  2. Step 2: Convert to fraction form
    85,576.29/118,080.96 = 49,767.81/x
  3. Step 3: Cross multiply
    85,576.29x = 118,080.96 × 49,767.81
  4. Step 4: Simplify right side
    85,576.29x = 5,876,630,781.90
  5. Step 5: Solve for x
    x = 5,876,630,781.90/85,576.29
  6. Step 6: Final answer
    x = 68,671.25

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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.