Home / 54,117.38-74,675.51-29,915.08

Finding the Fourth Proportional to 54,117.38, 74,675.51 and 29,915.08

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Solution

The fourth proportional to 54,117.38, 74,675.51 and 29,915.08 is: 41,279.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,117.38 : 74,675.51 = 29,915.08 : x
  2. Step 2: Convert to fraction form
    54,117.38/74,675.51 = 29,915.08/x
  3. Step 3: Cross multiply
    54,117.38x = 74,675.51 × 29,915.08
  4. Step 4: Simplify right side
    54,117.38x = 2,233,923,855.69
  5. Step 5: Solve for x
    x = 2,233,923,855.69/54,117.38
  6. Step 6: Final answer
    x = 41,279.23

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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.