Home / 66,116.36-91,238.22-35,901.06

Finding the Fourth Proportional to 66,116.36, 91,238.22 and 35,901.06

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Solution

The fourth proportional to 66,116.36, 91,238.22 and 35,901.06 is: 49,542.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,116.36 : 91,238.22 = 35,901.06 : x
  2. Step 2: Convert to fraction form
    66,116.36/91,238.22 = 35,901.06/x
  3. Step 3: Cross multiply
    66,116.36x = 91,238.22 × 35,901.06
  4. Step 4: Simplify right side
    66,116.36x = 3,275,548,810.51
  5. Step 5: Solve for x
    x = 3,275,548,810.51/66,116.36
  6. Step 6: Final answer
    x = 49,542.18

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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.