Home / 105,942.04-158,777.96-49,658

Finding the Fourth Proportional to 105,942.04, 158,777.96 and 49,658

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Solution

The fourth proportional to 105,942.04, 158,777.96 and 49,658 is: 74,423.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,942.04 : 158,777.96 = 49,658 : x
  2. Step 2: Convert to fraction form
    105,942.04/158,777.96 = 49,658/x
  3. Step 3: Cross multiply
    105,942.04x = 158,777.96 × 49,658
  4. Step 4: Simplify right side
    105,942.04x = 7,884,595,937.68
  5. Step 5: Solve for x
    x = 7,884,595,937.68/105,942.04
  6. Step 6: Final answer
    x = 74,423.67

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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.