Home / 61,209.06-91,622.79-47,132.52

Finding the Fourth Proportional to 61,209.06, 91,622.79 and 47,132.52

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Solution

The fourth proportional to 61,209.06, 91,622.79 and 47,132.52 is: 70,551.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,209.06 : 91,622.79 = 47,132.52 : x
  2. Step 2: Convert to fraction form
    61,209.06/91,622.79 = 47,132.52/x
  3. Step 3: Cross multiply
    61,209.06x = 91,622.79 × 47,132.52
  4. Step 4: Simplify right side
    61,209.06x = 4,318,412,982.13
  5. Step 5: Solve for x
    x = 4,318,412,982.13/61,209.06
  6. Step 6: Final answer
    x = 70,551.86

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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.