Home / 56,531.71-84,799.38-28,436.44

Finding the Fourth Proportional to 56,531.71, 84,799.38 and 28,436.44

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Solution

The fourth proportional to 56,531.71, 84,799.38 and 28,436.44 is: 42,655.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,531.71 : 84,799.38 = 28,436.44 : x
  2. Step 2: Convert to fraction form
    56,531.71/84,799.38 = 28,436.44/x
  3. Step 3: Cross multiply
    56,531.71x = 84,799.38 × 28,436.44
  4. Step 4: Simplify right side
    56,531.71x = 2,411,392,057.41
  5. Step 5: Solve for x
    x = 2,411,392,057.41/56,531.71
  6. Step 6: Final answer
    x = 42,655.57

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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.