Home / 91,496.09-126,265.29-51,213.58

Finding the Fourth Proportional to 91,496.09, 126,265.29 and 51,213.58

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Solution

The fourth proportional to 91,496.09, 126,265.29 and 51,213.58 is: 70,675.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,496.09 : 126,265.29 = 51,213.58 : x
  2. Step 2: Convert to fraction form
    91,496.09/126,265.29 = 51,213.58/x
  3. Step 3: Cross multiply
    91,496.09x = 126,265.29 × 51,213.58
  4. Step 4: Simplify right side
    91,496.09x = 6,466,497,530.64
  5. Step 5: Solve for x
    x = 6,466,497,530.64/91,496.09
  6. Step 6: Final answer
    x = 70,675.12

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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.