Home / 117,066.07-161,550.43-66,079.45

Finding the Fourth Proportional to 117,066.07, 161,550.43 and 66,079.45

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Solution

The fourth proportional to 117,066.07, 161,550.43 and 66,079.45 is: 91,189.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,066.07 : 161,550.43 = 66,079.45 : x
  2. Step 2: Convert to fraction form
    117,066.07/161,550.43 = 66,079.45/x
  3. Step 3: Cross multiply
    117,066.07x = 161,550.43 × 66,079.45
  4. Step 4: Simplify right side
    117,066.07x = 10,675,163,561.66
  5. Step 5: Solve for x
    x = 10,675,163,561.66/117,066.07
  6. Step 6: Final answer
    x = 91,189.22

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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.