Home / 75,658.50-113,477.58-31,279.14

Finding the Fourth Proportional to 75,658.50, 113,477.58 and 31,279.14

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Solution

The fourth proportional to 75,658.50, 113,477.58 and 31,279.14 is: 46,914.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,658.50 : 113,477.58 = 31,279.14 : x
  2. Step 2: Convert to fraction form
    75,658.50/113,477.58 = 31,279.14/x
  3. Step 3: Cross multiply
    75,658.50x = 113,477.58 × 31,279.14
  4. Step 4: Simplify right side
    75,658.50x = 3,549,481,111.68
  5. Step 5: Solve for x
    x = 3,549,481,111.68/75,658.50
  6. Step 6: Final answer
    x = 46,914.51

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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.