Home / 91,850.49-126,751.82-51,012.45

Finding the Fourth Proportional to 91,850.49, 126,751.82 and 51,012.45

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Solution

The fourth proportional to 91,850.49, 126,751.82 and 51,012.45 is: 70,396.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,850.49 : 126,751.82 = 51,012.45 : x
  2. Step 2: Convert to fraction form
    91,850.49/126,751.82 = 51,012.45/x
  3. Step 3: Cross multiply
    91,850.49x = 126,751.82 × 51,012.45
  4. Step 4: Simplify right side
    91,850.49x = 6,465,920,625.10
  5. Step 5: Solve for x
    x = 6,465,920,625.10/91,850.49
  6. Step 6: Final answer
    x = 70,396.15

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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.