Home / 100,148.72-150,082.94-58,017.58

Finding the Fourth Proportional to 100,148.72, 150,082.94 and 58,017.58

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Solution

The fourth proportional to 100,148.72, 150,082.94 and 58,017.58 is: 86,945.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,148.72 : 150,082.94 = 58,017.58 : x
  2. Step 2: Convert to fraction form
    100,148.72/150,082.94 = 58,017.58/x
  3. Step 3: Cross multiply
    100,148.72x = 150,082.94 × 58,017.58
  4. Step 4: Simplify right side
    100,148.72x = 8,707,448,747.92
  5. Step 5: Solve for x
    x = 8,707,448,747.92/100,148.72
  6. Step 6: Final answer
    x = 86,945.19

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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.