Home / 91,311.49-126,022.38-52,548.53

Finding the Fourth Proportional to 91,311.49, 126,022.38 and 52,548.53

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Solution

The fourth proportional to 91,311.49, 126,022.38 and 52,548.53 is: 72,524.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,311.49 : 126,022.38 = 52,548.53 : x
  2. Step 2: Convert to fraction form
    91,311.49/126,022.38 = 52,548.53/x
  3. Step 3: Cross multiply
    91,311.49x = 126,022.38 × 52,548.53
  4. Step 4: Simplify right side
    91,311.49x = 6,622,289,988.93
  5. Step 5: Solve for x
    x = 6,622,289,988.93/91,311.49
  6. Step 6: Final answer
    x = 72,524.17

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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.