Home / 112,991.15-155,922.37-62,002.67

Finding the Fourth Proportional to 112,991.15, 155,922.37 and 62,002.67

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Solution

The fourth proportional to 112,991.15, 155,922.37 and 62,002.67 is: 85,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,991.15 : 155,922.37 = 62,002.67 : x
  2. Step 2: Convert to fraction form
    112,991.15/155,922.37 = 62,002.67/x
  3. Step 3: Cross multiply
    112,991.15x = 155,922.37 × 62,002.67
  4. Step 4: Simplify right side
    112,991.15x = 9,667,602,318.11
  5. Step 5: Solve for x
    x = 9,667,602,318.11/112,991.15
  6. Step 6: Final answer
    x = 85,560.70

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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.