Home / 60,255.29-90,320.23-20,244.60

Finding the Fourth Proportional to 60,255.29, 90,320.23 and 20,244.60

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Solution

The fourth proportional to 60,255.29, 90,320.23 and 20,244.60 is: 30,345.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,255.29 : 90,320.23 = 20,244.60 : x
  2. Step 2: Convert to fraction form
    60,255.29/90,320.23 = 20,244.60/x
  3. Step 3: Cross multiply
    60,255.29x = 90,320.23 × 20,244.60
  4. Step 4: Simplify right side
    60,255.29x = 1,828,496,953.56
  5. Step 5: Solve for x
    x = 1,828,496,953.56/60,255.29
  6. Step 6: Final answer
    x = 30,345.83

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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.