Home / 91,511.00-126,219.97-55,703.30

Finding the Fourth Proportional to 91,511.00, 126,219.97 and 55,703.30

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Solution

The fourth proportional to 91,511.00, 126,219.97 and 55,703.30 is: 76,830.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,511.00 : 126,219.97 = 55,703.30 : x
  2. Step 2: Convert to fraction form
    91,511.00/126,219.97 = 55,703.30/x
  3. Step 3: Cross multiply
    91,511.00x = 126,219.97 × 55,703.30
  4. Step 4: Simplify right side
    91,511.00x = 7,030,868,293.43
  5. Step 5: Solve for x
    x = 7,030,868,293.43/91,511.00
  6. Step 6: Final answer
    x = 76,830.86

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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.