Home / 91,569.05-126,359.25-51,273.57

Finding the Fourth Proportional to 91,569.05, 126,359.25 and 51,273.57

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Solution

The fourth proportional to 91,569.05, 126,359.25 and 51,273.57 is: 70,754.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,569.05 : 126,359.25 = 51,273.57 : x
  2. Step 2: Convert to fraction form
    91,569.05/126,359.25 = 51,273.57/x
  3. Step 3: Cross multiply
    91,569.05x = 126,359.25 × 51,273.57
  4. Step 4: Simplify right side
    91,569.05x = 6,478,889,850.02
  5. Step 5: Solve for x
    x = 6,478,889,850.02/91,569.05
  6. Step 6: Final answer
    x = 70,754.15

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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.