Home / 48,178.89-72,226.80-18,617.46

Finding the Fourth Proportional to 48,178.89, 72,226.80 and 18,617.46

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Solution

The fourth proportional to 48,178.89, 72,226.80 and 18,617.46 is: 27,910.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,178.89 : 72,226.80 = 18,617.46 : x
  2. Step 2: Convert to fraction form
    48,178.89/72,226.80 = 18,617.46/x
  3. Step 3: Cross multiply
    48,178.89x = 72,226.80 × 18,617.46
  4. Step 4: Simplify right side
    48,178.89x = 1,344,679,466.84
  5. Step 5: Solve for x
    x = 1,344,679,466.84/48,178.89
  6. Step 6: Final answer
    x = 27,910.14

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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.