Home / 115,267.72-159,109.14-67,536.52

Finding the Fourth Proportional to 115,267.72, 159,109.14 and 67,536.52

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Solution

The fourth proportional to 115,267.72, 159,109.14 and 67,536.52 is: 93,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,267.72 : 159,109.14 = 67,536.52 : x
  2. Step 2: Convert to fraction form
    115,267.72/159,109.14 = 67,536.52/x
  3. Step 3: Cross multiply
    115,267.72x = 159,109.14 × 67,536.52
  4. Step 4: Simplify right side
    115,267.72x = 10,745,677,615.79
  5. Step 5: Solve for x
    x = 10,745,677,615.79/115,267.72
  6. Step 6: Final answer
    x = 93,223.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.