Home / 86,115.88-118,842.02-48,389.16

Finding the Fourth Proportional to 86,115.88, 118,842.02 and 48,389.16

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Solution

The fourth proportional to 86,115.88, 118,842.02 and 48,389.16 is: 66,778.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,115.88 : 118,842.02 = 48,389.16 : x
  2. Step 2: Convert to fraction form
    86,115.88/118,842.02 = 48,389.16/x
  3. Step 3: Cross multiply
    86,115.88x = 118,842.02 × 48,389.16
  4. Step 4: Simplify right side
    86,115.88x = 5,750,665,520.50
  5. Step 5: Solve for x
    x = 5,750,665,520.50/86,115.88
  6. Step 6: Final answer
    x = 66,778.22

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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.