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Finding the Fourth Proportional to 55,601.80, 83,402.70 and 52,880.20

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Solution

The fourth proportional to 55,601.80, 83,402.70 and 52,880.20 is: 79,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,601.80 : 83,402.70 = 52,880.20 : x
  2. Step 2: Convert to fraction form
    55,601.80/83,402.70 = 52,880.20/x
  3. Step 3: Cross multiply
    55,601.80x = 83,402.70 × 52,880.20
  4. Step 4: Simplify right side
    55,601.80x = 4,410,351,456.54
  5. Step 5: Solve for x
    x = 4,410,351,456.54/55,601.80
  6. Step 6: Final answer
    x = 79,320.30

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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.