Home / 60,056.55-90,086.67-20,613.12

Finding the Fourth Proportional to 60,056.55, 90,086.67 and 20,613.12

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Solution

The fourth proportional to 60,056.55, 90,086.67 and 20,613.12 is: 30,920.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,056.55 : 90,086.67 = 20,613.12 : x
  2. Step 2: Convert to fraction form
    60,056.55/90,086.67 = 20,613.12/x
  3. Step 3: Cross multiply
    60,056.55x = 90,086.67 × 20,613.12
  4. Step 4: Simplify right side
    60,056.55x = 1,856,967,339.11
  5. Step 5: Solve for x
    x = 1,856,967,339.11/60,056.55
  6. Step 6: Final answer
    x = 30,920.31

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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.