Home / 60,520.64-90,780.92-18,401.06

Finding the Fourth Proportional to 60,520.64, 90,780.92 and 18,401.06

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Solution

The fourth proportional to 60,520.64, 90,780.92 and 18,401.06 is: 27,601.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,520.64 : 90,780.92 = 18,401.06 : x
  2. Step 2: Convert to fraction form
    60,520.64/90,780.92 = 18,401.06/x
  3. Step 3: Cross multiply
    60,520.64x = 90,780.92 × 18,401.06
  4. Step 4: Simplify right side
    60,520.64x = 1,670,465,155.78
  5. Step 5: Solve for x
    x = 1,670,465,155.78/60,520.64
  6. Step 6: Final answer
    x = 27,601.58

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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.