Home / 104,549.40-156,902.97-48,428.89

Finding the Fourth Proportional to 104,549.40, 156,902.97 and 48,428.89

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Solution

The fourth proportional to 104,549.40, 156,902.97 and 48,428.89 is: 72,679.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,549.40 : 156,902.97 = 48,428.89 : x
  2. Step 2: Convert to fraction form
    104,549.40/156,902.97 = 48,428.89/x
  3. Step 3: Cross multiply
    104,549.40x = 156,902.97 × 48,428.89
  4. Step 4: Simplify right side
    104,549.40x = 7,598,636,674.80
  5. Step 5: Solve for x
    x = 7,598,636,674.80/104,549.40
  6. Step 6: Final answer
    x = 72,679.87

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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.