Home / 61,219.28-91,828.74-34,553.18

Finding the Fourth Proportional to 61,219.28, 91,828.74 and 34,553.18

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Solution

The fourth proportional to 61,219.28, 91,828.74 and 34,553.18 is: 51,829.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,219.28 : 91,828.74 = 34,553.18 : x
  2. Step 2: Convert to fraction form
    61,219.28/91,828.74 = 34,553.18/x
  3. Step 3: Cross multiply
    61,219.28x = 91,828.74 × 34,553.18
  4. Step 4: Simplify right side
    61,219.28x = 3,172,974,982.39
  5. Step 5: Solve for x
    x = 3,172,974,982.39/61,219.28
  6. Step 6: Final answer
    x = 51,829.67

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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.