Home / 60,474.30-90,711.45-53,792.70

Finding the Fourth Proportional to 60,474.30, 90,711.45 and 53,792.70

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Solution

The fourth proportional to 60,474.30, 90,711.45 and 53,792.70 is: 80,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,474.30 : 90,711.45 = 53,792.70 : x
  2. Step 2: Convert to fraction form
    60,474.30/90,711.45 = 53,792.70/x
  3. Step 3: Cross multiply
    60,474.30x = 90,711.45 × 53,792.70
  4. Step 4: Simplify right side
    60,474.30x = 4,879,613,816.42
  5. Step 5: Solve for x
    x = 4,879,613,816.42/60,474.30
  6. Step 6: Final answer
    x = 80,689.05

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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.