Home / 84,182.84-126,172.72-36,777.59

Finding the Fourth Proportional to 84,182.84, 126,172.72 and 36,777.59

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Solution

The fourth proportional to 84,182.84, 126,172.72 and 36,777.59 is: 55,122.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,182.84 : 126,172.72 = 36,777.59 : x
  2. Step 2: Convert to fraction form
    84,182.84/126,172.72 = 36,777.59/x
  3. Step 3: Cross multiply
    84,182.84x = 126,172.72 × 36,777.59
  4. Step 4: Simplify right side
    84,182.84x = 4,640,328,565.34
  5. Step 5: Solve for x
    x = 4,640,328,565.34/84,182.84
  6. Step 6: Final answer
    x = 55,122.02

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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.