Home / 119,620.20-179,430.30-48,542.70

Finding the Fourth Proportional to 119,620.20, 179,430.30 and 48,542.70

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Solution

The fourth proportional to 119,620.20, 179,430.30 and 48,542.70 is: 72,814.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,620.20 : 179,430.30 = 48,542.70 : x
  2. Step 2: Convert to fraction form
    119,620.20/179,430.30 = 48,542.70/x
  3. Step 3: Cross multiply
    119,620.20x = 179,430.30 × 48,542.70
  4. Step 4: Simplify right side
    119,620.20x = 8,710,031,223.81
  5. Step 5: Solve for x
    x = 8,710,031,223.81/119,620.20
  6. Step 6: Final answer
    x = 72,814.05

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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.