Home / 91,582.29-126,383.57-55,772.30

Finding the Fourth Proportional to 91,582.29, 126,383.57 and 55,772.30

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Solution

The fourth proportional to 91,582.29, 126,383.57 and 55,772.30 is: 76,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,582.29 : 126,383.57 = 55,772.30 : x
  2. Step 2: Convert to fraction form
    91,582.29/126,383.57 = 55,772.30/x
  3. Step 3: Cross multiply
    91,582.29x = 126,383.57 × 55,772.30
  4. Step 4: Simplify right side
    91,582.29x = 7,048,702,649.95
  5. Step 5: Solve for x
    x = 7,048,702,649.95/91,582.29
  6. Step 6: Final answer
    x = 76,965.78

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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.