Home / 91,256.61-125,932.79-50,970.96

Finding the Fourth Proportional to 91,256.61, 125,932.79 and 50,970.96

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Solution

The fourth proportional to 91,256.61, 125,932.79 and 50,970.96 is: 70,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,256.61 : 125,932.79 = 50,970.96 : x
  2. Step 2: Convert to fraction form
    91,256.61/125,932.79 = 50,970.96/x
  3. Step 3: Cross multiply
    91,256.61x = 125,932.79 × 50,970.96
  4. Step 4: Simplify right side
    91,256.61x = 6,418,915,201.78
  5. Step 5: Solve for x
    x = 6,418,915,201.78/91,256.61
  6. Step 6: Final answer
    x = 70,339.18

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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.