Home / 54,311.54-74,897.42-38,173.64

Finding the Fourth Proportional to 54,311.54, 74,897.42 and 38,173.64

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Solution

The fourth proportional to 54,311.54, 74,897.42 and 38,173.64 is: 52,642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,311.54 : 74,897.42 = 38,173.64 : x
  2. Step 2: Convert to fraction form
    54,311.54/74,897.42 = 38,173.64/x
  3. Step 3: Cross multiply
    54,311.54x = 74,897.42 × 38,173.64
  4. Step 4: Simplify right side
    54,311.54x = 2,859,107,148.01
  5. Step 5: Solve for x
    x = 2,859,107,148.01/54,311.54
  6. Step 6: Final answer
    x = 52,642.72

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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.