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Finding the Fourth Proportional to 73,263.60, 101,104.41 and 39,729.60

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Solution

The fourth proportional to 73,263.60, 101,104.41 and 39,729.60 is: 54,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,263.60 : 101,104.41 = 39,729.60 : x
  2. Step 2: Convert to fraction form
    73,263.60/101,104.41 = 39,729.60/x
  3. Step 3: Cross multiply
    73,263.60x = 101,104.41 × 39,729.60
  4. Step 4: Simplify right side
    73,263.60x = 4,016,837,767.54
  5. Step 5: Solve for x
    x = 4,016,837,767.54/73,263.60
  6. Step 6: Final answer
    x = 54,827.20

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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.