Home / 61,147.09-91,705.45-34,504.78

Finding the Fourth Proportional to 61,147.09, 91,705.45 and 34,504.78

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Solution

The fourth proportional to 61,147.09, 91,705.45 and 34,504.78 is: 51,748.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,147.09 : 91,705.45 = 34,504.78 : x
  2. Step 2: Convert to fraction form
    61,147.09/91,705.45 = 34,504.78/x
  3. Step 3: Cross multiply
    61,147.09x = 91,705.45 × 34,504.78
  4. Step 4: Simplify right side
    61,147.09x = 3,164,275,746.00
  5. Step 5: Solve for x
    x = 3,164,275,746.00/61,147.09
  6. Step 6: Final answer
    x = 51,748.59

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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.