Home / 42,872.10-59,165.64-25,876.08

Finding the Fourth Proportional to 42,872.10, 59,165.64 and 25,876.08

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Solution

The fourth proportional to 42,872.10, 59,165.64 and 25,876.08 is: 35,710.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,872.10 : 59,165.64 = 25,876.08 : x
  2. Step 2: Convert to fraction form
    42,872.10/59,165.64 = 25,876.08/x
  3. Step 3: Cross multiply
    42,872.10x = 59,165.64 × 25,876.08
  4. Step 4: Simplify right side
    42,872.10x = 1,530,974,833.89
  5. Step 5: Solve for x
    x = 1,530,974,833.89/42,872.10
  6. Step 6: Final answer
    x = 35,710.28

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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.