Home / 102,344.48-141,245.78-57,029.84

Finding the Fourth Proportional to 102,344.48, 141,245.78 and 57,029.84

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Solution

The fourth proportional to 102,344.48, 141,245.78 and 57,029.84 is: 78,706.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,344.48 : 141,245.78 = 57,029.84 : x
  2. Step 2: Convert to fraction form
    102,344.48/141,245.78 = 57,029.84/x
  3. Step 3: Cross multiply
    102,344.48x = 141,245.78 × 57,029.84
  4. Step 4: Simplify right side
    102,344.48x = 8,055,223,242.70
  5. Step 5: Solve for x
    x = 8,055,223,242.70/102,344.48
  6. Step 6: Final answer
    x = 78,706.97

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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.