Home / 109,134.81-163,777.38-38,057.99

Finding the Fourth Proportional to 109,134.81, 163,777.38 and 38,057.99

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Solution

The fourth proportional to 109,134.81, 163,777.38 and 38,057.99 is: 57,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,134.81 : 163,777.38 = 38,057.99 : x
  2. Step 2: Convert to fraction form
    109,134.81/163,777.38 = 38,057.99/x
  3. Step 3: Cross multiply
    109,134.81x = 163,777.38 × 38,057.99
  4. Step 4: Simplify right side
    109,134.81x = 6,233,037,890.27
  5. Step 5: Solve for x
    x = 6,233,037,890.27/109,134.81
  6. Step 6: Final answer
    x = 57,113.20

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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.