Home / 107,530.24-161,308.32-45,192.64

Finding the Fourth Proportional to 107,530.24, 161,308.32 and 45,192.64

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Solution

The fourth proportional to 107,530.24, 161,308.32 and 45,192.64 is: 67,794.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,530.24 : 161,308.32 = 45,192.64 : x
  2. Step 2: Convert to fraction form
    107,530.24/161,308.32 = 45,192.64/x
  3. Step 3: Cross multiply
    107,530.24x = 161,308.32 × 45,192.64
  4. Step 4: Simplify right side
    107,530.24x = 7,289,948,834.76
  5. Step 5: Solve for x
    x = 7,289,948,834.76/107,530.24
  6. Step 6: Final answer
    x = 67,794.41

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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.