Home / 82,842.16-124,173.87-40,673.20

Finding the Fourth Proportional to 82,842.16, 124,173.87 and 40,673.20

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Solution

The fourth proportional to 82,842.16, 124,173.87 and 40,673.20 is: 60,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,842.16 : 124,173.87 = 40,673.20 : x
  2. Step 2: Convert to fraction form
    82,842.16/124,173.87 = 40,673.20/x
  3. Step 3: Cross multiply
    82,842.16x = 124,173.87 × 40,673.20
  4. Step 4: Simplify right side
    82,842.16x = 5,050,548,649.28
  5. Step 5: Solve for x
    x = 5,050,548,649.28/82,842.16
  6. Step 6: Final answer
    x = 60,965.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.