Home / 112,977.72-169,286.90-59,667.84

Finding the Fourth Proportional to 112,977.72, 169,286.90 and 59,667.84

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Solution

The fourth proportional to 112,977.72, 169,286.90 and 59,667.84 is: 89,406.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,977.72 : 169,286.90 = 59,667.84 : x
  2. Step 2: Convert to fraction form
    112,977.72/169,286.90 = 59,667.84/x
  3. Step 3: Cross multiply
    112,977.72x = 169,286.90 × 59,667.84
  4. Step 4: Simplify right side
    112,977.72x = 10,100,983,364.96
  5. Step 5: Solve for x
    x = 10,100,983,364.96/112,977.72
  6. Step 6: Final answer
    x = 89,406.86

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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.