Home / 79,352.35-119,037.56-28,775.21

Finding the Fourth Proportional to 79,352.35, 119,037.56 and 28,775.21

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Solution

The fourth proportional to 79,352.35, 119,037.56 and 28,775.21 is: 43,166.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,352.35 : 119,037.56 = 28,775.21 : x
  2. Step 2: Convert to fraction form
    79,352.35/119,037.56 = 28,775.21/x
  3. Step 3: Cross multiply
    79,352.35x = 119,037.56 × 28,775.21
  4. Step 4: Simplify right side
    79,352.35x = 3,425,330,047.82
  5. Step 5: Solve for x
    x = 3,425,330,047.82/79,352.35
  6. Step 6: Final answer
    x = 43,166.08

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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.