Home / 101,742.60-152,626.14-49,115.10

Finding the Fourth Proportional to 101,742.60, 152,626.14 and 49,115.10

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Solution

The fourth proportional to 101,742.60, 152,626.14 and 49,115.10 is: 73,678.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,742.60 : 152,626.14 = 49,115.10 : x
  2. Step 2: Convert to fraction form
    101,742.60/152,626.14 = 49,115.10/x
  3. Step 3: Cross multiply
    101,742.60x = 152,626.14 × 49,115.10
  4. Step 4: Simplify right side
    101,742.60x = 7,496,248,128.71
  5. Step 5: Solve for x
    x = 7,496,248,128.71/101,742.60
  6. Step 6: Final answer
    x = 73,678.56

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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.