Home / 78,685.05-118,062.46-41,236.22

Finding the Fourth Proportional to 78,685.05, 118,062.46 and 41,236.22

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Solution

The fourth proportional to 78,685.05, 118,062.46 and 41,236.22 is: 61,872.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,685.05 : 118,062.46 = 41,236.22 : x
  2. Step 2: Convert to fraction form
    78,685.05/118,062.46 = 41,236.22/x
  3. Step 3: Cross multiply
    78,685.05x = 118,062.46 × 41,236.22
  4. Step 4: Simplify right side
    78,685.05x = 4,868,449,574.30
  5. Step 5: Solve for x
    x = 4,868,449,574.30/78,685.05
  6. Step 6: Final answer
    x = 61,872.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.