Home / 81,296.94-112,190.22-45,487.02

Finding the Fourth Proportional to 81,296.94, 112,190.22 and 45,487.02

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Solution

The fourth proportional to 81,296.94, 112,190.22 and 45,487.02 is: 62,772.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,296.94 : 112,190.22 = 45,487.02 : x
  2. Step 2: Convert to fraction form
    81,296.94/112,190.22 = 45,487.02/x
  3. Step 3: Cross multiply
    81,296.94x = 112,190.22 × 45,487.02
  4. Step 4: Simplify right side
    81,296.94x = 5,103,198,780.94
  5. Step 5: Solve for x
    x = 5,103,198,780.94/81,296.94
  6. Step 6: Final answer
    x = 62,772.34

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1.5x scale

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.