Home / 54,166.93-81,242.16-20,882.14

Finding the Fourth Proportional to 54,166.93, 81,242.16 and 20,882.14

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Solution

The fourth proportional to 54,166.93, 81,242.16 and 20,882.14 is: 31,320.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,166.93 : 81,242.16 = 20,882.14 : x
  2. Step 2: Convert to fraction form
    54,166.93/81,242.16 = 20,882.14/x
  3. Step 3: Cross multiply
    54,166.93x = 81,242.16 × 20,882.14
  4. Step 4: Simplify right side
    54,166.93x = 1,696,510,159.02
  5. Step 5: Solve for x
    x = 1,696,510,159.02/54,166.93
  6. Step 6: Final answer
    x = 31,320.04

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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.