Home / 91,311.08-126,021.81-52,548.11

Finding the Fourth Proportional to 91,311.08, 126,021.81 and 52,548.11

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Solution

The fourth proportional to 91,311.08, 126,021.81 and 52,548.11 is: 72,523.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,311.08 : 126,021.81 = 52,548.11 : x
  2. Step 2: Convert to fraction form
    91,311.08/126,021.81 = 52,548.11/x
  3. Step 3: Cross multiply
    91,311.08x = 126,021.81 × 52,548.11
  4. Step 4: Simplify right side
    91,311.08x = 6,622,207,304.17
  5. Step 5: Solve for x
    x = 6,622,207,304.17/91,311.08
  6. Step 6: Final answer
    x = 72,523.59

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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.