Home / 53,785.52-80,618.52-40,595.12

Finding the Fourth Proportional to 53,785.52, 80,618.52 and 40,595.12

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Solution

The fourth proportional to 53,785.52, 80,618.52 and 40,595.12 is: 60,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,785.52 : 80,618.52 = 40,595.12 : x
  2. Step 2: Convert to fraction form
    53,785.52/80,618.52 = 40,595.12/x
  3. Step 3: Cross multiply
    53,785.52x = 80,618.52 × 40,595.12
  4. Step 4: Simplify right side
    53,785.52x = 3,272,718,493.62
  5. Step 5: Solve for x
    x = 3,272,718,493.62/53,785.52
  6. Step 6: Final answer
    x = 60,847.58

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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.