Home / 103,897.20-155,868.92-48,462.96

Finding the Fourth Proportional to 103,897.20, 155,868.92 and 48,462.96

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Solution

The fourth proportional to 103,897.20, 155,868.92 and 48,462.96 is: 72,705.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,897.20 : 155,868.92 = 48,462.96 : x
  2. Step 2: Convert to fraction form
    103,897.20/155,868.92 = 48,462.96/x
  3. Step 3: Cross multiply
    103,897.20x = 155,868.92 × 48,462.96
  4. Step 4: Simplify right side
    103,897.20x = 7,553,869,235.20
  5. Step 5: Solve for x
    x = 7,553,869,235.20/103,897.20
  6. Step 6: Final answer
    x = 72,705.22

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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.