Home / 109,427.16-151,133.97-73,554.87

Finding the Fourth Proportional to 109,427.16, 151,133.97 and 73,554.87

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Solution

The fourth proportional to 109,427.16, 151,133.97 and 73,554.87 is: 101,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,427.16 : 151,133.97 = 73,554.87 : x
  2. Step 2: Convert to fraction form
    109,427.16/151,133.97 = 73,554.87/x
  3. Step 3: Cross multiply
    109,427.16x = 151,133.97 × 73,554.87
  4. Step 4: Simplify right side
    109,427.16x = 11,116,639,515.93
  5. Step 5: Solve for x
    x = 11,116,639,515.93/109,427.16
  6. Step 6: Final answer
    x = 101,589.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.