Home / 137,048.20-205,572.30-48,401.80

Finding the Fourth Proportional to 137,048.20, 205,572.30 and 48,401.80

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Solution

The fourth proportional to 137,048.20, 205,572.30 and 48,401.80 is: 72,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,048.20 : 205,572.30 = 48,401.80 : x
  2. Step 2: Convert to fraction form
    137,048.20/205,572.30 = 48,401.80/x
  3. Step 3: Cross multiply
    137,048.20x = 205,572.30 × 48,401.80
  4. Step 4: Simplify right side
    137,048.20x = 9,950,069,350.14
  5. Step 5: Solve for x
    x = 9,950,069,350.14/137,048.20
  6. Step 6: Final answer
    x = 72,602.70

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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.