Home / 106,741.42-160,139.87-31,861.58

Finding the Fourth Proportional to 106,741.42, 160,139.87 and 31,861.58

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Solution

The fourth proportional to 106,741.42, 160,139.87 and 31,861.58 is: 47,800.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,741.42 : 160,139.87 = 31,861.58 : x
  2. Step 2: Convert to fraction form
    106,741.42/160,139.87 = 31,861.58/x
  3. Step 3: Cross multiply
    106,741.42x = 160,139.87 × 31,861.58
  4. Step 4: Simplify right side
    106,741.42x = 5,102,308,438.67
  5. Step 5: Solve for x
    x = 5,102,308,438.67/106,741.42
  6. Step 6: Final answer
    x = 47,800.64

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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.