Home / 96,686.57-133,451.97-66,072.08

Finding the Fourth Proportional to 96,686.57, 133,451.97 and 66,072.08

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Solution

The fourth proportional to 96,686.57, 133,451.97 and 66,072.08 is: 91,196.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,686.57 : 133,451.97 = 66,072.08 : x
  2. Step 2: Convert to fraction form
    96,686.57/133,451.97 = 66,072.08/x
  3. Step 3: Cross multiply
    96,686.57x = 133,451.97 × 66,072.08
  4. Step 4: Simplify right side
    96,686.57x = 8,817,449,238.00
  5. Step 5: Solve for x
    x = 8,817,449,238.00/96,686.57
  6. Step 6: Final answer
    x = 91,196.22

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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.