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Finding the Fourth Proportional to 78,797.14, 108,749.39 and 44,810.73

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Solution

The fourth proportional to 78,797.14, 108,749.39 and 44,810.73 is: 61,844.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,797.14 : 108,749.39 = 44,810.73 : x
  2. Step 2: Convert to fraction form
    78,797.14/108,749.39 = 44,810.73/x
  3. Step 3: Cross multiply
    78,797.14x = 108,749.39 × 44,810.73
  4. Step 4: Simplify right side
    78,797.14x = 4,873,139,328.90
  5. Step 5: Solve for x
    x = 4,873,139,328.90/78,797.14
  6. Step 6: Final answer
    x = 61,844.12

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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.