Home / 76,028.24-114,061.80-31,640.24

Finding the Fourth Proportional to 76,028.24, 114,061.80 and 31,640.24

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Solution

The fourth proportional to 76,028.24, 114,061.80 and 31,640.24 is: 47,468.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,028.24 : 114,061.80 = 31,640.24 : x
  2. Step 2: Convert to fraction form
    76,028.24/114,061.80 = 31,640.24/x
  3. Step 3: Cross multiply
    76,028.24x = 114,061.80 × 31,640.24
  4. Step 4: Simplify right side
    76,028.24x = 3,608,942,726.83
  5. Step 5: Solve for x
    x = 3,608,942,726.83/76,028.24
  6. Step 6: Final answer
    x = 47,468.45

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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.