Home / 86,032.62-118,676.90-54,146.16

Finding the Fourth Proportional to 86,032.62, 118,676.90 and 54,146.16

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Solution

The fourth proportional to 86,032.62, 118,676.90 and 54,146.16 is: 74,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,032.62 : 118,676.90 = 54,146.16 : x
  2. Step 2: Convert to fraction form
    86,032.62/118,676.90 = 54,146.16/x
  3. Step 3: Cross multiply
    86,032.62x = 118,676.90 × 54,146.16
  4. Step 4: Simplify right side
    86,032.62x = 6,425,898,144.97
  5. Step 5: Solve for x
    x = 6,425,898,144.97/86,032.62
  6. Step 6: Final answer
    x = 74,691.42

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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.