Home / 91,510.31-126,278.06-50,671.50

Finding the Fourth Proportional to 91,510.31, 126,278.06 and 50,671.50

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Solution

The fourth proportional to 91,510.31, 126,278.06 and 50,671.50 is: 69,923.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,510.31 : 126,278.06 = 50,671.50 : x
  2. Step 2: Convert to fraction form
    91,510.31/126,278.06 = 50,671.50/x
  3. Step 3: Cross multiply
    91,510.31x = 126,278.06 × 50,671.50
  4. Step 4: Simplify right side
    91,510.31x = 6,398,698,773.09
  5. Step 5: Solve for x
    x = 6,398,698,773.09/91,510.31
  6. Step 6: Final answer
    x = 69,923.26

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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.