Home / 111,822.50-167,611.75-54,935.56

Finding the Fourth Proportional to 111,822.50, 167,611.75 and 54,935.56

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Solution

The fourth proportional to 111,822.50, 167,611.75 and 54,935.56 is: 82,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,822.50 : 167,611.75 = 54,935.56 : x
  2. Step 2: Convert to fraction form
    111,822.50/167,611.75 = 54,935.56/x
  3. Step 3: Cross multiply
    111,822.50x = 167,611.75 × 54,935.56
  4. Step 4: Simplify right side
    111,822.50x = 9,207,845,421.01
  5. Step 5: Solve for x
    x = 9,207,845,421.01/111,822.50
  6. Step 6: Final answer
    x = 82,343.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.