Home / 109,537.42-164,264.80-38,438.04

Finding the Fourth Proportional to 109,537.42, 164,264.80 and 38,438.04

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Solution

The fourth proportional to 109,537.42, 164,264.80 and 38,438.04 is: 57,642.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,537.42 : 164,264.80 = 38,438.04 : x
  2. Step 2: Convert to fraction form
    109,537.42/164,264.80 = 38,438.04/x
  3. Step 3: Cross multiply
    109,537.42x = 164,264.80 × 38,438.04
  4. Step 4: Simplify right side
    109,537.42x = 6,314,016,952.99
  5. Step 5: Solve for x
    x = 6,314,016,952.99/109,537.42
  6. Step 6: Final answer
    x = 57,642.56

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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.