Home / 48,427.65-72,755.64-28,488.29

Finding the Fourth Proportional to 48,427.65, 72,755.64 and 28,488.29

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Solution

The fourth proportional to 48,427.65, 72,755.64 and 28,488.29 is: 42,799.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,427.65 : 72,755.64 = 28,488.29 : x
  2. Step 2: Convert to fraction form
    48,427.65/72,755.64 = 28,488.29/x
  3. Step 3: Cross multiply
    48,427.65x = 72,755.64 × 28,488.29
  4. Step 4: Simplify right side
    48,427.65x = 2,072,683,407.68
  5. Step 5: Solve for x
    x = 2,072,683,407.68/48,427.65
  6. Step 6: Final answer
    x = 42,799.59

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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.