Home / 52,145.05-71,955.73-29,480.90

Finding the Fourth Proportional to 52,145.05, 71,955.73 and 29,480.90

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Solution

The fourth proportional to 52,145.05, 71,955.73 and 29,480.90 is: 40,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,145.05 : 71,955.73 = 29,480.90 : x
  2. Step 2: Convert to fraction form
    52,145.05/71,955.73 = 29,480.90/x
  3. Step 3: Cross multiply
    52,145.05x = 71,955.73 × 29,480.90
  4. Step 4: Simplify right side
    52,145.05x = 2,121,319,680.56
  5. Step 5: Solve for x
    x = 2,121,319,680.56/52,145.05
  6. Step 6: Final answer
    x = 40,681.13

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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.