Home / 91,502.34-126,271.99-51,216.09

Finding the Fourth Proportional to 91,502.34, 126,271.99 and 51,216.09

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Solution

The fourth proportional to 91,502.34, 126,271.99 and 51,216.09 is: 70,677.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,502.34 : 126,271.99 = 51,216.09 : x
  2. Step 2: Convert to fraction form
    91,502.34/126,271.99 = 51,216.09/x
  3. Step 3: Cross multiply
    91,502.34x = 126,271.99 × 51,216.09
  4. Step 4: Simplify right side
    91,502.34x = 6,467,157,604.32
  5. Step 5: Solve for x
    x = 6,467,157,604.32/91,502.34
  6. Step 6: Final answer
    x = 70,677.51

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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.