Home / 77,949.27-116,877.20-35,776.62

Finding the Fourth Proportional to 77,949.27, 116,877.20 and 35,776.62

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Solution

The fourth proportional to 77,949.27, 116,877.20 and 35,776.62 is: 53,643.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,949.27 : 116,877.20 = 35,776.62 : x
  2. Step 2: Convert to fraction form
    77,949.27/116,877.20 = 35,776.62/x
  3. Step 3: Cross multiply
    77,949.27x = 116,877.20 × 35,776.62
  4. Step 4: Simplify right side
    77,949.27x = 4,181,470,992.18
  5. Step 5: Solve for x
    x = 4,181,470,992.18/77,949.27
  6. Step 6: Final answer
    x = 53,643.49

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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.