Home / 54,987.10-75,882.19-29,836.60

Finding the Fourth Proportional to 54,987.10, 75,882.19 and 29,836.60

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Solution

The fourth proportional to 54,987.10, 75,882.19 and 29,836.60 is: 41,174.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,987.10 : 75,882.19 = 29,836.60 : x
  2. Step 2: Convert to fraction form
    54,987.10/75,882.19 = 29,836.60/x
  3. Step 3: Cross multiply
    54,987.10x = 75,882.19 × 29,836.60
  4. Step 4: Simplify right side
    54,987.10x = 2,264,066,285.86
  5. Step 5: Solve for x
    x = 2,264,066,285.86/54,987.10
  6. Step 6: Final answer
    x = 41,174.50

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1.5x scale

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.