Home / 117,007.04-161,455.79-66,016.82

Finding the Fourth Proportional to 117,007.04, 161,455.79 and 66,016.82

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Solution

The fourth proportional to 117,007.04, 161,455.79 and 66,016.82 is: 91,095.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,007.04 : 161,455.79 = 66,016.82 : x
  2. Step 2: Convert to fraction form
    117,007.04/161,455.79 = 66,016.82/x
  3. Step 3: Cross multiply
    117,007.04x = 161,455.79 × 66,016.82
  4. Step 4: Simplify right side
    117,007.04x = 10,658,797,826.39
  5. Step 5: Solve for x
    x = 10,658,797,826.39/117,007.04
  6. Step 6: Final answer
    x = 91,095.35

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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.