Home / 91,219.55-125,881.67-50,933.94

Finding the Fourth Proportional to 91,219.55, 125,881.67 and 50,933.94

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Solution

The fourth proportional to 91,219.55, 125,881.67 and 50,933.94 is: 70,288.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,219.55 : 125,881.67 = 50,933.94 : x
  2. Step 2: Convert to fraction form
    91,219.55/125,881.67 = 50,933.94/x
  3. Step 3: Cross multiply
    91,219.55x = 125,881.67 × 50,933.94
  4. Step 4: Simplify right side
    91,219.55x = 6,411,649,172.21
  5. Step 5: Solve for x
    x = 6,411,649,172.21/91,219.55
  6. Step 6: Final answer
    x = 70,288.11

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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.