Home / 75,538.19-113,205.22-28,765.55

Finding the Fourth Proportional to 75,538.19, 113,205.22 and 28,765.55

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Solution

The fourth proportional to 75,538.19, 113,205.22 and 28,765.55 is: 43,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,538.19 : 113,205.22 = 28,765.55 : x
  2. Step 2: Convert to fraction form
    75,538.19/113,205.22 = 28,765.55/x
  3. Step 3: Cross multiply
    75,538.19x = 113,205.22 × 28,765.55
  4. Step 4: Simplify right side
    75,538.19x = 3,256,410,416.17
  5. Step 5: Solve for x
    x = 3,256,410,416.17/75,538.19
  6. Step 6: Final answer
    x = 43,109.46

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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.