Home / 61,107.12-91,659.60-26,070.84

Finding the Fourth Proportional to 61,107.12, 91,659.60 and 26,070.84

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Solution

The fourth proportional to 61,107.12, 91,659.60 and 26,070.84 is: 39,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,107.12 : 91,659.60 = 26,070.84 : x
  2. Step 2: Convert to fraction form
    61,107.12/91,659.60 = 26,070.84/x
  3. Step 3: Cross multiply
    61,107.12x = 91,659.60 × 26,070.84
  4. Step 4: Simplify right side
    61,107.12x = 2,389,642,766.06
  5. Step 5: Solve for x
    x = 2,389,642,766.06/61,107.12
  6. Step 6: Final answer
    x = 39,105.80

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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.