Home / 51,134.81-70,549.12-29,899.04

Finding the Fourth Proportional to 51,134.81, 70,549.12 and 29,899.04

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Solution

The fourth proportional to 51,134.81, 70,549.12 and 29,899.04 is: 41,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,134.81 : 70,549.12 = 29,899.04 : x
  2. Step 2: Convert to fraction form
    51,134.81/70,549.12 = 29,899.04/x
  3. Step 3: Cross multiply
    51,134.81x = 70,549.12 × 29,899.04
  4. Step 4: Simplify right side
    51,134.81x = 2,109,350,960.84
  5. Step 5: Solve for x
    x = 2,109,350,960.84/51,134.81
  6. Step 6: Final answer
    x = 41,250.78

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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.