Home / 80,113.50-120,189.69-24,709.50

Finding the Fourth Proportional to 80,113.50, 120,189.69 and 24,709.50

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Solution

The fourth proportional to 80,113.50, 120,189.69 and 24,709.50 is: 37,070.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,113.50 : 120,189.69 = 24,709.50 : x
  2. Step 2: Convert to fraction form
    80,113.50/120,189.69 = 24,709.50/x
  3. Step 3: Cross multiply
    80,113.50x = 120,189.69 × 24,709.50
  4. Step 4: Simplify right side
    80,113.50x = 2,969,827,145.06
  5. Step 5: Solve for x
    x = 2,969,827,145.06/80,113.50
  6. Step 6: Final answer
    x = 37,070.25

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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.