Home / 70,961.64-97,927.72-39,131.66

Finding the Fourth Proportional to 70,961.64, 97,927.72 and 39,131.66

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Solution

The fourth proportional to 70,961.64, 97,927.72 and 39,131.66 is: 54,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,961.64 : 97,927.72 = 39,131.66 : x
  2. Step 2: Convert to fraction form
    70,961.64/97,927.72 = 39,131.66/x
  3. Step 3: Cross multiply
    70,961.64x = 97,927.72 × 39,131.66
  4. Step 4: Simplify right side
    70,961.64x = 3,832,074,243.62
  5. Step 5: Solve for x
    x = 3,832,074,243.62/70,961.64
  6. Step 6: Final answer
    x = 54,002.05

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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.