Home / 91,551.15-126,325.98-51,266.61

Finding the Fourth Proportional to 91,551.15, 126,325.98 and 51,266.61

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Solution

The fourth proportional to 91,551.15, 126,325.98 and 51,266.61 is: 70,739.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,551.15 : 126,325.98 = 51,266.61 : x
  2. Step 2: Convert to fraction form
    91,551.15/126,325.98 = 51,266.61/x
  3. Step 3: Cross multiply
    91,551.15x = 126,325.98 × 51,266.61
  4. Step 4: Simplify right side
    91,551.15x = 6,476,304,749.53
  5. Step 5: Solve for x
    x = 6,476,304,749.53/91,551.15
  6. Step 6: Final answer
    x = 70,739.74

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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.