Home / 115,555.09-159,473.46-67,791.01

Finding the Fourth Proportional to 115,555.09, 159,473.46 and 67,791.01

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Solution

The fourth proportional to 115,555.09, 159,473.46 and 67,791.01 is: 93,555.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,555.09 : 159,473.46 = 67,791.01 : x
  2. Step 2: Convert to fraction form
    115,555.09/159,473.46 = 67,791.01/x
  3. Step 3: Cross multiply
    115,555.09x = 159,473.46 × 67,791.01
  4. Step 4: Simplify right side
    115,555.09x = 10,810,866,921.59
  5. Step 5: Solve for x
    x = 10,810,866,921.59/115,555.09
  6. Step 6: Final answer
    x = 93,555.96

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1.5x scale

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.