Home / 70,961.57-97,927.70-39,131.61

Finding the Fourth Proportional to 70,961.57, 97,927.70 and 39,131.61

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Solution

The fourth proportional to 70,961.57, 97,927.70 and 39,131.61 is: 54,002.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,961.57 : 97,927.70 = 39,131.61 : x
  2. Step 2: Convert to fraction form
    70,961.57/97,927.70 = 39,131.61/x
  3. Step 3: Cross multiply
    70,961.57x = 97,927.70 × 39,131.61
  4. Step 4: Simplify right side
    70,961.57x = 3,832,068,564.60
  5. Step 5: Solve for x
    x = 3,832,068,564.60/70,961.57
  6. Step 6: Final answer
    x = 54,002.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.