Home / 80,570.74-120,897.06-36,188.44

Finding the Fourth Proportional to 80,570.74, 120,897.06 and 36,188.44

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Solution

The fourth proportional to 80,570.74, 120,897.06 and 36,188.44 is: 54,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,570.74 : 120,897.06 = 36,188.44 : x
  2. Step 2: Convert to fraction form
    80,570.74/120,897.06 = 36,188.44/x
  3. Step 3: Cross multiply
    80,570.74x = 120,897.06 × 36,188.44
  4. Step 4: Simplify right side
    80,570.74x = 4,375,076,001.99
  5. Step 5: Solve for x
    x = 4,375,076,001.99/80,570.74
  6. Step 6: Final answer
    x = 54,301.05

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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.