Home / 80,526.99-120,824.61-43,077.25

Finding the Fourth Proportional to 80,526.99, 120,824.61 and 43,077.25

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Solution

The fourth proportional to 80,526.99, 120,824.61 and 43,077.25 is: 64,634.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,526.99 : 120,824.61 = 43,077.25 : x
  2. Step 2: Convert to fraction form
    80,526.99/120,824.61 = 43,077.25/x
  3. Step 3: Cross multiply
    80,526.99x = 120,824.61 × 43,077.25
  4. Step 4: Simplify right side
    80,526.99x = 5,204,791,931.12
  5. Step 5: Solve for x
    x = 5,204,791,931.12/80,526.99
  6. Step 6: Final answer
    x = 64,634.13

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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.