Home / 91,256.95-125,933.26-50,971.28

Finding the Fourth Proportional to 91,256.95, 125,933.26 and 50,971.28

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Solution

The fourth proportional to 91,256.95, 125,933.26 and 50,971.28 is: 70,339.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,256.95 : 125,933.26 = 50,971.28 : x
  2. Step 2: Convert to fraction form
    91,256.95/125,933.26 = 50,971.28/x
  3. Step 3: Cross multiply
    91,256.95x = 125,933.26 × 50,971.28
  4. Step 4: Simplify right side
    91,256.95x = 6,418,979,201.92
  5. Step 5: Solve for x
    x = 6,418,979,201.92/91,256.95
  6. Step 6: Final answer
    x = 70,339.62

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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.