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Finding the Fourth Proportional to 91,448.76, 137,169.48 and 35,264.73

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Solution

The fourth proportional to 91,448.76, 137,169.48 and 35,264.73 is: 52,895.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,448.76 : 137,169.48 = 35,264.73 : x
  2. Step 2: Convert to fraction form
    91,448.76/137,169.48 = 35,264.73/x
  3. Step 3: Cross multiply
    91,448.76x = 137,169.48 × 35,264.73
  4. Step 4: Simplify right side
    91,448.76x = 4,837,244,676.44
  5. Step 5: Solve for x
    x = 4,837,244,676.44/91,448.76
  6. Step 6: Final answer
    x = 52,895.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.