Home / 84,216.24-126,257.28-48,637.20

Finding the Fourth Proportional to 84,216.24, 126,257.28 and 48,637.20

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Solution

The fourth proportional to 84,216.24, 126,257.28 and 48,637.20 is: 72,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,216.24 : 126,257.28 = 48,637.20 : x
  2. Step 2: Convert to fraction form
    84,216.24/126,257.28 = 48,637.20/x
  3. Step 3: Cross multiply
    84,216.24x = 126,257.28 × 48,637.20
  4. Step 4: Simplify right side
    84,216.24x = 6,140,800,578.82
  5. Step 5: Solve for x
    x = 6,140,800,578.82/84,216.24
  6. Step 6: Final answer
    x = 72,917.06

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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.