Home / 107,640.84-161,461.86-37,519.80

Finding the Fourth Proportional to 107,640.84, 161,461.86 and 37,519.80

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Solution

The fourth proportional to 107,640.84, 161,461.86 and 37,519.80 is: 56,279.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,640.84 : 161,461.86 = 37,519.80 : x
  2. Step 2: Convert to fraction form
    107,640.84/161,461.86 = 37,519.80/x
  3. Step 3: Cross multiply
    107,640.84x = 161,461.86 × 37,519.80
  4. Step 4: Simplify right side
    107,640.84x = 6,058,016,694.83
  5. Step 5: Solve for x
    x = 6,058,016,694.83/107,640.84
  6. Step 6: Final answer
    x = 56,279.91

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1.5x scale

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.