Home / 91,159.24-125,806.07-50,880.86

Finding the Fourth Proportional to 91,159.24, 125,806.07 and 50,880.86

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Solution

The fourth proportional to 91,159.24, 125,806.07 and 50,880.86 is: 70,219.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,159.24 : 125,806.07 = 50,880.86 : x
  2. Step 2: Convert to fraction form
    91,159.24/125,806.07 = 50,880.86/x
  3. Step 3: Cross multiply
    91,159.24x = 125,806.07 × 50,880.86
  4. Step 4: Simplify right side
    91,159.24x = 6,401,121,034.82
  5. Step 5: Solve for x
    x = 6,401,121,034.82/91,159.24
  6. Step 6: Final answer
    x = 70,219.11

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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.