Home / 77,202.63-115,821-24,612.12

Finding the Fourth Proportional to 77,202.63, 115,821 and 24,612.12

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Solution

The fourth proportional to 77,202.63, 115,821 and 24,612.12 is: 36,923.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,202.63 : 115,821 = 24,612.12 : x
  2. Step 2: Convert to fraction form
    77,202.63/115,821 = 24,612.12/x
  3. Step 3: Cross multiply
    77,202.63x = 115,821 × 24,612.12
  4. Step 4: Simplify right side
    77,202.63x = 2,850,600,350.52
  5. Step 5: Solve for x
    x = 2,850,600,350.52/77,202.63
  6. Step 6: Final answer
    x = 36,923.62

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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.