Home / 107,738.83-161,430.04-55,075.87

Finding the Fourth Proportional to 107,738.83, 161,430.04 and 55,075.87

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Solution

The fourth proportional to 107,738.83, 161,430.04 and 55,075.87 is: 82,522.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,738.83 : 161,430.04 = 55,075.87 : x
  2. Step 2: Convert to fraction form
    107,738.83/161,430.04 = 55,075.87/x
  3. Step 3: Cross multiply
    107,738.83x = 161,430.04 × 55,075.87
  4. Step 4: Simplify right side
    107,738.83x = 8,890,899,897.13
  5. Step 5: Solve for x
    x = 8,890,899,897.13/107,738.83
  6. Step 6: Final answer
    x = 82,522.71

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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.