Home / 45,845.29-63,304.10-28,876.87

Finding the Fourth Proportional to 45,845.29, 63,304.10 and 28,876.87

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Solution

The fourth proportional to 45,845.29, 63,304.10 and 28,876.87 is: 39,873.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,845.29 : 63,304.10 = 28,876.87 : x
  2. Step 2: Convert to fraction form
    45,845.29/63,304.10 = 28,876.87/x
  3. Step 3: Cross multiply
    45,845.29x = 63,304.10 × 28,876.87
  4. Step 4: Simplify right side
    45,845.29x = 1,828,024,266.17
  5. Step 5: Solve for x
    x = 1,828,024,266.17/45,845.29
  6. Step 6: Final answer
    x = 39,873.76

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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.