Home / 79,074.15-118,592.60-29,127.12

Finding the Fourth Proportional to 79,074.15, 118,592.60 and 29,127.12

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Solution

The fourth proportional to 79,074.15, 118,592.60 and 29,127.12 is: 43,683.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,074.15 : 118,592.60 = 29,127.12 : x
  2. Step 2: Convert to fraction form
    79,074.15/118,592.60 = 29,127.12/x
  3. Step 3: Cross multiply
    79,074.15x = 118,592.60 × 29,127.12
  4. Step 4: Simplify right side
    79,074.15x = 3,454,260,745.68
  5. Step 5: Solve for x
    x = 3,454,260,745.68/79,074.15
  6. Step 6: Final answer
    x = 43,683.82

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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.