Home / 74,366.55-111,550.05-52,278.75

Finding the Fourth Proportional to 74,366.55, 111,550.05 and 52,278.75

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Solution

The fourth proportional to 74,366.55, 111,550.05 and 52,278.75 is: 78,418.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,366.55 : 111,550.05 = 52,278.75 : x
  2. Step 2: Convert to fraction form
    74,366.55/111,550.05 = 52,278.75/x
  3. Step 3: Cross multiply
    74,366.55x = 111,550.05 × 52,278.75
  4. Step 4: Simplify right side
    74,366.55x = 5,831,697,176.44
  5. Step 5: Solve for x
    x = 5,831,697,176.44/74,366.55
  6. Step 6: Final answer
    x = 78,418.28

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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.