Home / 42,661.12-63,898.08-35,181.28

Finding the Fourth Proportional to 42,661.12, 63,898.08 and 35,181.28

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Solution

The fourth proportional to 42,661.12, 63,898.08 and 35,181.28 is: 52,694.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,661.12 : 63,898.08 = 35,181.28 : x
  2. Step 2: Convert to fraction form
    42,661.12/63,898.08 = 35,181.28/x
  3. Step 3: Cross multiply
    42,661.12x = 63,898.08 × 35,181.28
  4. Step 4: Simplify right side
    42,661.12x = 2,248,016,243.94
  5. Step 5: Solve for x
    x = 2,248,016,243.94/42,661.12
  6. Step 6: Final answer
    x = 52,694.73

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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.