Home / 63,215.12-87,239.53-36,357.66

Finding the Fourth Proportional to 63,215.12, 87,239.53 and 36,357.66

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Solution

The fourth proportional to 63,215.12, 87,239.53 and 36,357.66 is: 50,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,215.12 : 87,239.53 = 36,357.66 : x
  2. Step 2: Convert to fraction form
    63,215.12/87,239.53 = 36,357.66/x
  3. Step 3: Cross multiply
    63,215.12x = 87,239.53 × 36,357.66
  4. Step 4: Simplify right side
    63,215.12x = 3,171,825,170.30
  5. Step 5: Solve for x
    x = 3,171,825,170.30/63,215.12
  6. Step 6: Final answer
    x = 50,175.10

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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.