Home / 84,247.95-126,309.51-39,822.80

Finding the Fourth Proportional to 84,247.95, 126,309.51 and 39,822.80

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Solution

The fourth proportional to 84,247.95, 126,309.51 and 39,822.80 is: 59,704.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,247.95 : 126,309.51 = 39,822.80 : x
  2. Step 2: Convert to fraction form
    84,247.95/126,309.51 = 39,822.80/x
  3. Step 3: Cross multiply
    84,247.95x = 126,309.51 × 39,822.80
  4. Step 4: Simplify right side
    84,247.95x = 5,029,997,573.94
  5. Step 5: Solve for x
    x = 5,029,997,573.94/84,247.95
  6. Step 6: Final answer
    x = 59,704.69

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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.