Home / 117,067.80-161,560.86-66,089.16

Finding the Fourth Proportional to 117,067.80, 161,560.86 and 66,089.16

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Solution

The fourth proportional to 117,067.80, 161,560.86 and 66,089.16 is: 91,207.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,067.80 : 161,560.86 = 66,089.16 : x
  2. Step 2: Convert to fraction form
    117,067.80/161,560.86 = 66,089.16/x
  3. Step 3: Cross multiply
    117,067.80x = 161,560.86 × 66,089.16
  4. Step 4: Simplify right side
    117,067.80x = 10,677,421,526.28
  5. Step 5: Solve for x
    x = 10,677,421,526.28/117,067.80
  6. Step 6: Final answer
    x = 91,207.16

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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.