Home / 125,719.35-188,697.54-45,834.57

Finding the Fourth Proportional to 125,719.35, 188,697.54 and 45,834.57

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Solution

The fourth proportional to 125,719.35, 188,697.54 and 45,834.57 is: 68,795.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,719.35 : 188,697.54 = 45,834.57 : x
  2. Step 2: Convert to fraction form
    125,719.35/188,697.54 = 45,834.57/x
  3. Step 3: Cross multiply
    125,719.35x = 188,697.54 × 45,834.57
  4. Step 4: Simplify right side
    125,719.35x = 8,648,870,605.96
  5. Step 5: Solve for x
    x = 8,648,870,605.96/125,719.35
  6. Step 6: Final answer
    x = 68,795.06

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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.