Home / 85,788.72-118,389.60-48,062.16

Finding the Fourth Proportional to 85,788.72, 118,389.60 and 48,062.16

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Solution

The fourth proportional to 85,788.72, 118,389.60 and 48,062.16 is: 66,326.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,788.72 : 118,389.60 = 48,062.16 : x
  2. Step 2: Convert to fraction form
    85,788.72/118,389.60 = 48,062.16/x
  3. Step 3: Cross multiply
    85,788.72x = 118,389.60 × 48,062.16
  4. Step 4: Simplify right side
    85,788.72x = 5,690,059,897.54
  5. Step 5: Solve for x
    x = 5,690,059,897.54/85,788.72
  6. Step 6: Final answer
    x = 66,326.43

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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.