Home / 77,277.44-106,640.16-43,742.72

Finding the Fourth Proportional to 77,277.44, 106,640.16 and 43,742.72

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Solution

The fourth proportional to 77,277.44, 106,640.16 and 43,742.72 is: 60,363.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,277.44 : 106,640.16 = 43,742.72 : x
  2. Step 2: Convert to fraction form
    77,277.44/106,640.16 = 43,742.72/x
  3. Step 3: Cross multiply
    77,277.44x = 106,640.16 × 43,742.72
  4. Step 4: Simplify right side
    77,277.44x = 4,664,730,659.64
  5. Step 5: Solve for x
    x = 4,664,730,659.64/77,277.44
  6. Step 6: Final answer
    x = 60,363.42

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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.