Home / 104,049.20-143,588.76-61,054.40

Finding the Fourth Proportional to 104,049.20, 143,588.76 and 61,054.40

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Solution

The fourth proportional to 104,049.20, 143,588.76 and 61,054.40 is: 84,255.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,049.20 : 143,588.76 = 61,054.40 : x
  2. Step 2: Convert to fraction form
    104,049.20/143,588.76 = 61,054.40/x
  3. Step 3: Cross multiply
    104,049.20x = 143,588.76 × 61,054.40
  4. Step 4: Simplify right side
    104,049.20x = 8,766,725,588.54
  5. Step 5: Solve for x
    x = 8,766,725,588.54/104,049.20
  6. Step 6: Final answer
    x = 84,255.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.