Home / 115,464.76-159,365.16-67,743.16

Finding the Fourth Proportional to 115,464.76, 159,365.16 and 67,743.16

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Solution

The fourth proportional to 115,464.76, 159,365.16 and 67,743.16 is: 93,499.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,464.76 : 159,365.16 = 67,743.16 : x
  2. Step 2: Convert to fraction form
    115,464.76/159,365.16 = 67,743.16/x
  3. Step 3: Cross multiply
    115,464.76x = 159,365.16 × 67,743.16
  4. Step 4: Simplify right side
    115,464.76x = 10,795,899,532.31
  5. Step 5: Solve for x
    x = 10,795,899,532.31/115,464.76
  6. Step 6: Final answer
    x = 93,499.52

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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.