Home / 80,967.78-121,455.32-24,803.81

Finding the Fourth Proportional to 80,967.78, 121,455.32 and 24,803.81

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Solution

The fourth proportional to 80,967.78, 121,455.32 and 24,803.81 is: 37,206.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,967.78 : 121,455.32 = 24,803.81 : x
  2. Step 2: Convert to fraction form
    80,967.78/121,455.32 = 24,803.81/x
  3. Step 3: Cross multiply
    80,967.78x = 121,455.32 × 24,803.81
  4. Step 4: Simplify right side
    80,967.78x = 3,012,553,949.47
  5. Step 5: Solve for x
    x = 3,012,553,949.47/80,967.78
  6. Step 6: Final answer
    x = 37,206.82

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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.