Home / 79,585.25-109,825.32-43,775.25

Finding the Fourth Proportional to 79,585.25, 109,825.32 and 43,775.25

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Solution

The fourth proportional to 79,585.25, 109,825.32 and 43,775.25 is: 60,408.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,585.25 : 109,825.32 = 43,775.25 : x
  2. Step 2: Convert to fraction form
    79,585.25/109,825.32 = 43,775.25/x
  3. Step 3: Cross multiply
    79,585.25x = 109,825.32 × 43,775.25
  4. Step 4: Simplify right side
    79,585.25x = 4,807,630,591.64
  5. Step 5: Solve for x
    x = 4,807,630,591.64/79,585.25
  6. Step 6: Final answer
    x = 60,408.57

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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.