Home / 107,540.85-161,332.81-60,223.23

Finding the Fourth Proportional to 107,540.85, 161,332.81 and 60,223.23

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Solution

The fourth proportional to 107,540.85, 161,332.81 and 60,223.23 is: 90,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,540.85 : 161,332.81 = 60,223.23 : x
  2. Step 2: Convert to fraction form
    107,540.85/161,332.81 = 60,223.23/x
  3. Step 3: Cross multiply
    107,540.85x = 161,332.81 × 60,223.23
  4. Step 4: Simplify right side
    107,540.85x = 9,715,983,075.12
  5. Step 5: Solve for x
    x = 9,715,983,075.12/107,540.85
  6. Step 6: Final answer
    x = 90,346.91

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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.