Home / 85,877.06-118,508.81-48,151.31

Finding the Fourth Proportional to 85,877.06, 118,508.81 and 48,151.31

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Solution

The fourth proportional to 85,877.06, 118,508.81 and 48,151.31 is: 66,447.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,877.06 : 118,508.81 = 48,151.31 : x
  2. Step 2: Convert to fraction form
    85,877.06/118,508.81 = 48,151.31/x
  3. Step 3: Cross multiply
    85,877.06x = 118,508.81 × 48,151.31
  4. Step 4: Simplify right side
    85,877.06x = 5,706,353,614.74
  5. Step 5: Solve for x
    x = 5,706,353,614.74/85,877.06
  6. Step 6: Final answer
    x = 66,447.94

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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.