Home / 54,541.12-81,798.18-38,700.04

Finding the Fourth Proportional to 54,541.12, 81,798.18 and 38,700.04

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Solution

The fourth proportional to 54,541.12, 81,798.18 and 38,700.04 is: 58,040.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,541.12 : 81,798.18 = 38,700.04 : x
  2. Step 2: Convert to fraction form
    54,541.12/81,798.18 = 38,700.04/x
  3. Step 3: Cross multiply
    54,541.12x = 81,798.18 × 38,700.04
  4. Step 4: Simplify right side
    54,541.12x = 3,165,592,837.93
  5. Step 5: Solve for x
    x = 3,165,592,837.93/54,541.12
  6. Step 6: Final answer
    x = 58,040.48

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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.