Home / 75,087.56-112,777.14-55,287.92

Finding the Fourth Proportional to 75,087.56, 112,777.14 and 55,287.92

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Solution

The fourth proportional to 75,087.56, 112,777.14 and 55,287.92 is: 83,039.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,087.56 : 112,777.14 = 55,287.92 : x
  2. Step 2: Convert to fraction form
    75,087.56/112,777.14 = 55,287.92/x
  3. Step 3: Cross multiply
    75,087.56x = 112,777.14 × 55,287.92
  4. Step 4: Simplify right side
    75,087.56x = 6,235,213,494.15
  5. Step 5: Solve for x
    x = 6,235,213,494.15/75,087.56
  6. Step 6: Final answer
    x = 83,039.23

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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.