Home / 91,499.49-126,269.28-51,213.25

Finding the Fourth Proportional to 91,499.49, 126,269.28 and 51,213.25

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Solution

The fourth proportional to 91,499.49, 126,269.28 and 51,213.25 is: 70,674.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,499.49 : 126,269.28 = 51,213.25 : x
  2. Step 2: Convert to fraction form
    91,499.49/126,269.28 = 51,213.25/x
  3. Step 3: Cross multiply
    91,499.49x = 126,269.28 × 51,213.25
  4. Step 4: Simplify right side
    91,499.49x = 6,466,660,203.96
  5. Step 5: Solve for x
    x = 6,466,660,203.96/91,499.49
  6. Step 6: Final answer
    x = 70,674.28

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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.