Home / 52,401.20-78,601.80-42,033.20

Finding the Fourth Proportional to 52,401.20, 78,601.80 and 42,033.20

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Solution

The fourth proportional to 52,401.20, 78,601.80 and 42,033.20 is: 63,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,401.20 : 78,601.80 = 42,033.20 : x
  2. Step 2: Convert to fraction form
    52,401.20/78,601.80 = 42,033.20/x
  3. Step 3: Cross multiply
    52,401.20x = 78,601.80 × 42,033.20
  4. Step 4: Simplify right side
    52,401.20x = 3,303,885,179.76
  5. Step 5: Solve for x
    x = 3,303,885,179.76/52,401.20
  6. Step 6: Final answer
    x = 63,049.80

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1.5x scale

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.