Home / 91,159.56-125,806.50-50,881.17

Finding the Fourth Proportional to 91,159.56, 125,806.50 and 50,881.17

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Solution

The fourth proportional to 91,159.56, 125,806.50 and 50,881.17 is: 70,219.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,159.56 : 125,806.50 = 50,881.17 : x
  2. Step 2: Convert to fraction form
    91,159.56/125,806.50 = 50,881.17/x
  3. Step 3: Cross multiply
    91,159.56x = 125,806.50 × 50,881.17
  4. Step 4: Simplify right side
    91,159.56x = 6,401,182,385.38
  5. Step 5: Solve for x
    x = 6,401,182,385.38/91,159.56
  6. Step 6: Final answer
    x = 70,219.54

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1.5x scale

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.