Home / 85,854.18-118,479.06-48,126

Finding the Fourth Proportional to 85,854.18, 118,479.06 and 48,126

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Solution

The fourth proportional to 85,854.18, 118,479.06 and 48,126 is: 66,414.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,854.18 : 118,479.06 = 48,126 : x
  2. Step 2: Convert to fraction form
    85,854.18/118,479.06 = 48,126/x
  3. Step 3: Cross multiply
    85,854.18x = 118,479.06 × 48,126
  4. Step 4: Simplify right side
    85,854.18x = 5,701,923,241.56
  5. Step 5: Solve for x
    x = 5,701,923,241.56/85,854.18
  6. Step 6: Final answer
    x = 66,414.04

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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.