Home / 115,497.48-159,375.96-67,742.04

Finding the Fourth Proportional to 115,497.48, 159,375.96 and 67,742.04

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Solution

The fourth proportional to 115,497.48, 159,375.96 and 67,742.04 is: 93,477.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,497.48 : 159,375.96 = 67,742.04 : x
  2. Step 2: Convert to fraction form
    115,497.48/159,375.96 = 67,742.04/x
  3. Step 3: Cross multiply
    115,497.48x = 159,375.96 × 67,742.04
  4. Step 4: Simplify right side
    115,497.48x = 10,796,452,657.36
  5. Step 5: Solve for x
    x = 10,796,452,657.36/115,497.48
  6. Step 6: Final answer
    x = 93,477.82

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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.