Home / 91,782.44-126,667.78-53,554.30

Finding the Fourth Proportional to 91,782.44, 126,667.78 and 53,554.30

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Solution

The fourth proportional to 91,782.44, 126,667.78 and 53,554.30 is: 73,909.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,782.44 : 126,667.78 = 53,554.30 : x
  2. Step 2: Convert to fraction form
    91,782.44/126,667.78 = 53,554.30/x
  3. Step 3: Cross multiply
    91,782.44x = 126,667.78 × 53,554.30
  4. Step 4: Simplify right side
    91,782.44x = 6,783,604,290.45
  5. Step 5: Solve for x
    x = 6,783,604,290.45/91,782.44
  6. Step 6: Final answer
    x = 73,909.61

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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.