Home / 75,998.03-113,935.59-31,658.13

Finding the Fourth Proportional to 75,998.03, 113,935.59 and 31,658.13

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Solution

The fourth proportional to 75,998.03, 113,935.59 and 31,658.13 is: 47,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,998.03 : 113,935.59 = 31,658.13 : x
  2. Step 2: Convert to fraction form
    75,998.03/113,935.59 = 31,658.13/x
  3. Step 3: Cross multiply
    75,998.03x = 113,935.59 × 31,658.13
  4. Step 4: Simplify right side
    75,998.03x = 3,606,987,719.85
  5. Step 5: Solve for x
    x = 3,606,987,719.85/75,998.03
  6. Step 6: Final answer
    x = 47,461.60

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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.