Home / 80,988.37-121,519.47-41,573.18

Finding the Fourth Proportional to 80,988.37, 121,519.47 and 41,573.18

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Solution

The fourth proportional to 80,988.37, 121,519.47 and 41,573.18 is: 62,378.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,988.37 : 121,519.47 = 41,573.18 : x
  2. Step 2: Convert to fraction form
    80,988.37/121,519.47 = 41,573.18/x
  3. Step 3: Cross multiply
    80,988.37x = 121,519.47 × 41,573.18
  4. Step 4: Simplify right side
    80,988.37x = 5,051,951,259.51
  5. Step 5: Solve for x
    x = 5,051,951,259.51/80,988.37
  6. Step 6: Final answer
    x = 62,378.73

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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.