Home / 61,063.05-91,591.34-19,506.81

Finding the Fourth Proportional to 61,063.05, 91,591.34 and 19,506.81

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Solution

The fourth proportional to 61,063.05, 91,591.34 and 19,506.81 is: 29,259.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,063.05 : 91,591.34 = 19,506.81 : x
  2. Step 2: Convert to fraction form
    61,063.05/91,591.34 = 19,506.81/x
  3. Step 3: Cross multiply
    61,063.05x = 91,591.34 × 19,506.81
  4. Step 4: Simplify right side
    61,063.05x = 1,786,654,769.49
  5. Step 5: Solve for x
    x = 1,786,654,769.49/61,063.05
  6. Step 6: Final answer
    x = 29,259.18

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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.