Home / 111,666.42-167,477.35-54,715.86

Finding the Fourth Proportional to 111,666.42, 167,477.35 and 54,715.86

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Solution

The fourth proportional to 111,666.42, 167,477.35 and 54,715.86 is: 82,062.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,666.42 : 167,477.35 = 54,715.86 : x
  2. Step 2: Convert to fraction form
    111,666.42/167,477.35 = 54,715.86/x
  3. Step 3: Cross multiply
    111,666.42x = 167,477.35 × 54,715.86
  4. Step 4: Simplify right side
    111,666.42x = 9,163,667,235.77
  5. Step 5: Solve for x
    x = 9,163,667,235.77/111,666.42
  6. Step 6: Final answer
    x = 82,062.87

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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.