Home / 100,529.17-150,564.01-47,975.56

Finding the Fourth Proportional to 100,529.17, 150,564.01 and 47,975.56

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Solution

The fourth proportional to 100,529.17, 150,564.01 and 47,975.56 is: 71,853.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,529.17 : 150,564.01 = 47,975.56 : x
  2. Step 2: Convert to fraction form
    100,529.17/150,564.01 = 47,975.56/x
  3. Step 3: Cross multiply
    100,529.17x = 150,564.01 × 47,975.56
  4. Step 4: Simplify right side
    100,529.17x = 7,223,391,702.90
  5. Step 5: Solve for x
    x = 7,223,391,702.90/100,529.17
  6. Step 6: Final answer
    x = 71,853.69

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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.