Home / 48,248.61-72,385.89-20,159.33

Finding the Fourth Proportional to 48,248.61, 72,385.89 and 20,159.33

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Solution

The fourth proportional to 48,248.61, 72,385.89 and 20,159.33 is: 30,244.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,248.61 : 72,385.89 = 20,159.33 : x
  2. Step 2: Convert to fraction form
    48,248.61/72,385.89 = 20,159.33/x
  3. Step 3: Cross multiply
    48,248.61x = 72,385.89 × 20,159.33
  4. Step 4: Simplify right side
    48,248.61x = 1,459,250,606.33
  5. Step 5: Solve for x
    x = 1,459,250,606.33/48,248.61
  6. Step 6: Final answer
    x = 30,244.41

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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.