Home / 84,261.57-126,415.98-36,880.80

Finding the Fourth Proportional to 84,261.57, 126,415.98 and 36,880.80

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Solution

The fourth proportional to 84,261.57, 126,415.98 and 36,880.80 is: 55,331.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,261.57 : 126,415.98 = 36,880.80 : x
  2. Step 2: Convert to fraction form
    84,261.57/126,415.98 = 36,880.80/x
  3. Step 3: Cross multiply
    84,261.57x = 126,415.98 × 36,880.80
  4. Step 4: Simplify right side
    84,261.57x = 4,662,322,475.18
  5. Step 5: Solve for x
    x = 4,662,322,475.18/84,261.57
  6. Step 6: Final answer
    x = 55,331.54

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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.