Home / 76,947.66-106,189.56-48,268.53

Finding the Fourth Proportional to 76,947.66, 106,189.56 and 48,268.53

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Solution

The fourth proportional to 76,947.66, 106,189.56 and 48,268.53 is: 66,611.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,947.66 : 106,189.56 = 48,268.53 : x
  2. Step 2: Convert to fraction form
    76,947.66/106,189.56 = 48,268.53/x
  3. Step 3: Cross multiply
    76,947.66x = 106,189.56 × 48,268.53
  4. Step 4: Simplify right side
    76,947.66x = 5,125,613,962.55
  5. Step 5: Solve for x
    x = 5,125,613,962.55/76,947.66
  6. Step 6: Final answer
    x = 66,611.69

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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.