Home / 84,104.60-126,088.25-39,153.92

Finding the Fourth Proportional to 84,104.60, 126,088.25 and 39,153.92

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Solution

The fourth proportional to 84,104.60, 126,088.25 and 39,153.92 is: 58,698.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,104.60 : 126,088.25 = 39,153.92 : x
  2. Step 2: Convert to fraction form
    84,104.60/126,088.25 = 39,153.92/x
  3. Step 3: Cross multiply
    84,104.60x = 126,088.25 × 39,153.92
  4. Step 4: Simplify right side
    84,104.60x = 4,936,848,427.23
  5. Step 5: Solve for x
    x = 4,936,848,427.23/84,104.60
  6. Step 6: Final answer
    x = 58,698.91

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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.