Home / 53,296.22-79,868.05-39,145.25

Finding the Fourth Proportional to 53,296.22, 79,868.05 and 39,145.25

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Solution

The fourth proportional to 53,296.22, 79,868.05 and 39,145.25 is: 58,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,296.22 : 79,868.05 = 39,145.25 : x
  2. Step 2: Convert to fraction form
    53,296.22/79,868.05 = 39,145.25/x
  3. Step 3: Cross multiply
    53,296.22x = 79,868.05 × 39,145.25
  4. Step 4: Simplify right side
    53,296.22x = 3,126,454,784.26
  5. Step 5: Solve for x
    x = 3,126,454,784.26/53,296.22
  6. Step 6: Final answer
    x = 58,661.85

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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.