Home / 63,451.09-87,589.52-42,759.13

Finding the Fourth Proportional to 63,451.09, 87,589.52 and 42,759.13

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Solution

The fourth proportional to 63,451.09, 87,589.52 and 42,759.13 is: 59,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,451.09 : 87,589.52 = 42,759.13 : x
  2. Step 2: Convert to fraction form
    63,451.09/87,589.52 = 42,759.13/x
  3. Step 3: Cross multiply
    63,451.09x = 87,589.52 × 42,759.13
  4. Step 4: Simplify right side
    63,451.09x = 3,745,251,234.37
  5. Step 5: Solve for x
    x = 3,745,251,234.37/63,451.09
  6. Step 6: Final answer
    x = 59,025.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.