Home / 117,006.53-161,455.10-66,016.33

Finding the Fourth Proportional to 117,006.53, 161,455.10 and 66,016.33

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Solution

The fourth proportional to 117,006.53, 161,455.10 and 66,016.33 is: 91,094.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,006.53 : 161,455.10 = 66,016.33 : x
  2. Step 2: Convert to fraction form
    117,006.53/161,455.10 = 66,016.33/x
  3. Step 3: Cross multiply
    117,006.53x = 161,455.10 × 66,016.33
  4. Step 4: Simplify right side
    117,006.53x = 10,658,673,161.78
  5. Step 5: Solve for x
    x = 10,658,673,161.78/117,006.53
  6. Step 6: Final answer
    x = 91,094.69

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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.