Home / 80,006.34-120,009.08-32,621.25

Finding the Fourth Proportional to 80,006.34, 120,009.08 and 32,621.25

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Solution

The fourth proportional to 80,006.34, 120,009.08 and 32,621.25 is: 48,931.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,006.34 : 120,009.08 = 32,621.25 : x
  2. Step 2: Convert to fraction form
    80,006.34/120,009.08 = 32,621.25/x
  3. Step 3: Cross multiply
    80,006.34x = 120,009.08 × 32,621.25
  4. Step 4: Simplify right side
    80,006.34x = 3,914,845,437.80
  5. Step 5: Solve for x
    x = 3,914,845,437.80/80,006.34
  6. Step 6: Final answer
    x = 48,931.69

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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.