Home / 75,302.49-113,130.24-71,046.96

Finding the Fourth Proportional to 75,302.49, 113,130.24 and 71,046.96

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Solution

The fourth proportional to 75,302.49, 113,130.24 and 71,046.96 is: 106,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,302.49 : 113,130.24 = 71,046.96 : x
  2. Step 2: Convert to fraction form
    75,302.49/113,130.24 = 71,046.96/x
  3. Step 3: Cross multiply
    75,302.49x = 113,130.24 × 71,046.96
  4. Step 4: Simplify right side
    75,302.49x = 8,037,559,636.07
  5. Step 5: Solve for x
    x = 8,037,559,636.07/75,302.49
  6. Step 6: Final answer
    x = 106,736.97

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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.