Home / 82,812.10-124,218.15-41,340.10

Finding the Fourth Proportional to 82,812.10, 124,218.15 and 41,340.10

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Solution

The fourth proportional to 82,812.10, 124,218.15 and 41,340.10 is: 62,010.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,812.10 : 124,218.15 = 41,340.10 : x
  2. Step 2: Convert to fraction form
    82,812.10/124,218.15 = 41,340.10/x
  3. Step 3: Cross multiply
    82,812.10x = 124,218.15 × 41,340.10
  4. Step 4: Simplify right side
    82,812.10x = 5,135,190,742.82
  5. Step 5: Solve for x
    x = 5,135,190,742.82/82,812.10
  6. Step 6: Final answer
    x = 62,010.15

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1.5x scale

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.