Home / 58,910.38-81,220.99-38,177.22

Finding the Fourth Proportional to 58,910.38, 81,220.99 and 38,177.22

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Solution

The fourth proportional to 58,910.38, 81,220.99 and 38,177.22 is: 52,635.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,910.38 : 81,220.99 = 38,177.22 : x
  2. Step 2: Convert to fraction form
    58,910.38/81,220.99 = 38,177.22/x
  3. Step 3: Cross multiply
    58,910.38x = 81,220.99 × 38,177.22
  4. Step 4: Simplify right side
    58,910.38x = 3,100,791,603.85
  5. Step 5: Solve for x
    x = 3,100,791,603.85/58,910.38
  6. Step 6: Final answer
    x = 52,635.74

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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.