Home / 42,115.55-63,206.34-29,382.51

Finding the Fourth Proportional to 42,115.55, 63,206.34 and 29,382.51

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Solution

The fourth proportional to 42,115.55, 63,206.34 and 29,382.51 is: 44,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,115.55 : 63,206.34 = 29,382.51 : x
  2. Step 2: Convert to fraction form
    42,115.55/63,206.34 = 29,382.51/x
  3. Step 3: Cross multiply
    42,115.55x = 63,206.34 × 29,382.51
  4. Step 4: Simplify right side
    42,115.55x = 1,857,160,917.11
  5. Step 5: Solve for x
    x = 1,857,160,917.11/42,115.55
  6. Step 6: Final answer
    x = 44,096.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.