Home / 42,499.71-63,691.24-26,889.39

Finding the Fourth Proportional to 42,499.71, 63,691.24 and 26,889.39

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Solution

The fourth proportional to 42,499.71, 63,691.24 and 26,889.39 is: 40,297.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,499.71 : 63,691.24 = 26,889.39 : x
  2. Step 2: Convert to fraction form
    42,499.71/63,691.24 = 26,889.39/x
  3. Step 3: Cross multiply
    42,499.71x = 63,691.24 × 26,889.39
  4. Step 4: Simplify right side
    42,499.71x = 1,712,618,206.26
  5. Step 5: Solve for x
    x = 1,712,618,206.26/42,499.71
  6. Step 6: Final answer
    x = 40,297.18

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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.