Home / 75,804.72-113,658.42-31,462.08

Finding the Fourth Proportional to 75,804.72, 113,658.42 and 31,462.08

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Solution

The fourth proportional to 75,804.72, 113,658.42 and 31,462.08 is: 47,172.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,804.72 : 113,658.42 = 31,462.08 : x
  2. Step 2: Convert to fraction form
    75,804.72/113,658.42 = 31,462.08/x
  3. Step 3: Cross multiply
    75,804.72x = 113,658.42 × 31,462.08
  4. Step 4: Simplify right side
    75,804.72x = 3,575,930,302.71
  5. Step 5: Solve for x
    x = 3,575,930,302.71/75,804.72
  6. Step 6: Final answer
    x = 47,172.92

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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.