Home / 75,861.70-113,792.55-19,701.37

Finding the Fourth Proportional to 75,861.70, 113,792.55 and 19,701.37

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Solution

The fourth proportional to 75,861.70, 113,792.55 and 19,701.37 is: 29,552.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,861.70 : 113,792.55 = 19,701.37 : x
  2. Step 2: Convert to fraction form
    75,861.70/113,792.55 = 19,701.37/x
  3. Step 3: Cross multiply
    75,861.70x = 113,792.55 × 19,701.37
  4. Step 4: Simplify right side
    75,861.70x = 2,241,868,561.83
  5. Step 5: Solve for x
    x = 2,241,868,561.83/75,861.70
  6. Step 6: Final answer
    x = 29,552.05

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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.