Home / 101,619.72-140,234.94-58,599

Finding the Fourth Proportional to 101,619.72, 140,234.94 and 58,599

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Solution

The fourth proportional to 101,619.72, 140,234.94 and 58,599 is: 80,866.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,619.72 : 140,234.94 = 58,599 : x
  2. Step 2: Convert to fraction form
    101,619.72/140,234.94 = 58,599/x
  3. Step 3: Cross multiply
    101,619.72x = 140,234.94 × 58,599
  4. Step 4: Simplify right side
    101,619.72x = 8,217,627,249.06
  5. Step 5: Solve for x
    x = 8,217,627,249.06/101,619.72
  6. Step 6: Final answer
    x = 80,866.46

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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.