Home / 117,000.04-161,462.82-66,703.72

Finding the Fourth Proportional to 117,000.04, 161,462.82 and 66,703.72

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Solution

The fourth proportional to 117,000.04, 161,462.82 and 66,703.72 is: 92,052.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,000.04 : 161,462.82 = 66,703.72 : x
  2. Step 2: Convert to fraction form
    117,000.04/161,462.82 = 66,703.72/x
  3. Step 3: Cross multiply
    117,000.04x = 161,462.82 × 66,703.72
  4. Step 4: Simplify right side
    117,000.04x = 10,770,170,735.69
  5. Step 5: Solve for x
    x = 10,770,170,735.69/117,000.04
  6. Step 6: Final answer
    x = 92,052.71

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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.