Home / 91,584.21-126,384.72-51,297.87

Finding the Fourth Proportional to 91,584.21, 126,384.72 and 51,297.87

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Solution

The fourth proportional to 91,584.21, 126,384.72 and 51,297.87 is: 70,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,584.21 : 126,384.72 = 51,297.87 : x
  2. Step 2: Convert to fraction form
    91,584.21/126,384.72 = 51,297.87/x
  3. Step 3: Cross multiply
    91,584.21x = 126,384.72 × 51,297.87
  4. Step 4: Simplify right side
    91,584.21x = 6,483,266,936.55
  5. Step 5: Solve for x
    x = 6,483,266,936.55/91,584.21
  6. Step 6: Final answer
    x = 70,790.23

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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.