Home / 75,476.37-113,228.22-31,078.91

Finding the Fourth Proportional to 75,476.37, 113,228.22 and 31,078.91

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Solution

The fourth proportional to 75,476.37, 113,228.22 and 31,078.91 is: 46,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,476.37 : 113,228.22 = 31,078.91 : x
  2. Step 2: Convert to fraction form
    75,476.37/113,228.22 = 31,078.91/x
  3. Step 3: Cross multiply
    75,476.37x = 113,228.22 × 31,078.91
  4. Step 4: Simplify right side
    75,476.37x = 3,519,009,092.70
  5. Step 5: Solve for x
    x = 3,519,009,092.70/75,476.37
  6. Step 6: Final answer
    x = 46,623.98

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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.