Home / 91,939.95-126,869.35-51,650.55

Finding the Fourth Proportional to 91,939.95, 126,869.35 and 51,650.55

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Solution

The fourth proportional to 91,939.95, 126,869.35 and 51,650.55 is: 71,273.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,939.95 : 126,869.35 = 51,650.55 : x
  2. Step 2: Convert to fraction form
    91,939.95/126,869.35 = 51,650.55/x
  3. Step 3: Cross multiply
    91,939.95x = 126,869.35 × 51,650.55
  4. Step 4: Simplify right side
    91,939.95x = 6,552,871,705.64
  5. Step 5: Solve for x
    x = 6,552,871,705.64/91,939.95
  6. Step 6: Final answer
    x = 71,273.39

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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.