Home / 76,919.66-106,149.12-42,464.39

Finding the Fourth Proportional to 76,919.66, 106,149.12 and 42,464.39

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Solution

The fourth proportional to 76,919.66, 106,149.12 and 42,464.39 is: 58,600.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,919.66 : 106,149.12 = 42,464.39 : x
  2. Step 2: Convert to fraction form
    76,919.66/106,149.12 = 42,464.39/x
  3. Step 3: Cross multiply
    76,919.66x = 106,149.12 × 42,464.39
  4. Step 4: Simplify right side
    76,919.66x = 4,507,557,629.84
  5. Step 5: Solve for x
    x = 4,507,557,629.84/76,919.66
  6. Step 6: Final answer
    x = 58,600.85

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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.