Home / 91,895.30-126,809.72-51,608.03

Finding the Fourth Proportional to 91,895.30, 126,809.72 and 51,608.03

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Solution

The fourth proportional to 91,895.30, 126,809.72 and 51,608.03 is: 71,215.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,895.30 : 126,809.72 = 51,608.03 : x
  2. Step 2: Convert to fraction form
    91,895.30/126,809.72 = 51,608.03/x
  3. Step 3: Cross multiply
    91,895.30x = 126,809.72 × 51,608.03
  4. Step 4: Simplify right side
    91,895.30x = 6,544,398,941.96
  5. Step 5: Solve for x
    x = 6,544,398,941.96/91,895.30
  6. Step 6: Final answer
    x = 71,215.82

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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.