Home / 101,641.14-152,555.34-51,757.20

Finding the Fourth Proportional to 101,641.14, 152,555.34 and 51,757.20

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Solution

The fourth proportional to 101,641.14, 152,555.34 and 51,757.20 is: 77,683.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,641.14 : 152,555.34 = 51,757.20 : x
  2. Step 2: Convert to fraction form
    101,641.14/152,555.34 = 51,757.20/x
  3. Step 3: Cross multiply
    101,641.14x = 152,555.34 × 51,757.20
  4. Step 4: Simplify right side
    101,641.14x = 7,895,837,243.45
  5. Step 5: Solve for x
    x = 7,895,837,243.45/101,641.14
  6. Step 6: Final answer
    x = 77,683.48

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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.