Home / 77,660.94-116,468.85-30,265.47

Finding the Fourth Proportional to 77,660.94, 116,468.85 and 30,265.47

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Solution

The fourth proportional to 77,660.94, 116,468.85 and 30,265.47 is: 45,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,660.94 : 116,468.85 = 30,265.47 : x
  2. Step 2: Convert to fraction form
    77,660.94/116,468.85 = 30,265.47/x
  3. Step 3: Cross multiply
    77,660.94x = 116,468.85 × 30,265.47
  4. Step 4: Simplify right side
    77,660.94x = 3,524,984,485.61
  5. Step 5: Solve for x
    x = 3,524,984,485.61/77,660.94
  6. Step 6: Final answer
    x = 45,389.41

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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.