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Finding the Fourth Proportional to 60,660.99, 91,008 and 34,384.23

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Solution

The fourth proportional to 60,660.99, 91,008 and 34,384.23 is: 51,585.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,660.99 : 91,008 = 34,384.23 : x
  2. Step 2: Convert to fraction form
    60,660.99/91,008 = 34,384.23/x
  3. Step 3: Cross multiply
    60,660.99x = 91,008 × 34,384.23
  4. Step 4: Simplify right side
    60,660.99x = 3,129,240,003.84
  5. Step 5: Solve for x
    x = 3,129,240,003.84/60,660.99
  6. Step 6: Final answer
    x = 51,585.71

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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.