Home / 63,287.75-87,340.37-36,434.13

Finding the Fourth Proportional to 63,287.75, 87,340.37 and 36,434.13

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Solution

The fourth proportional to 63,287.75, 87,340.37 and 36,434.13 is: 50,280.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,287.75 : 87,340.37 = 36,434.13 : x
  2. Step 2: Convert to fraction form
    63,287.75/87,340.37 = 36,434.13/x
  3. Step 3: Cross multiply
    63,287.75x = 87,340.37 × 36,434.13
  4. Step 4: Simplify right side
    63,287.75x = 3,182,170,212.66
  5. Step 5: Solve for x
    x = 3,182,170,212.66/63,287.75
  6. Step 6: Final answer
    x = 50,280.99

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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.