Home / 107,728.20-161,490.06-37,588.68

Finding the Fourth Proportional to 107,728.20, 161,490.06 and 37,588.68

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Solution

The fourth proportional to 107,728.20, 161,490.06 and 37,588.68 is: 56,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,728.20 : 161,490.06 = 37,588.68 : x
  2. Step 2: Convert to fraction form
    107,728.20/161,490.06 = 37,588.68/x
  3. Step 3: Cross multiply
    107,728.20x = 161,490.06 × 37,588.68
  4. Step 4: Simplify right side
    107,728.20x = 6,070,198,188.52
  5. Step 5: Solve for x
    x = 6,070,198,188.52/107,728.20
  6. Step 6: Final answer
    x = 56,347.35

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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.