Home / 48,658.32-67,128.75-34,338.94

Finding the Fourth Proportional to 48,658.32, 67,128.75 and 34,338.94

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Solution

The fourth proportional to 48,658.32, 67,128.75 and 34,338.94 is: 47,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,658.32 : 67,128.75 = 34,338.94 : x
  2. Step 2: Convert to fraction form
    48,658.32/67,128.75 = 34,338.94/x
  3. Step 3: Cross multiply
    48,658.32x = 67,128.75 × 34,338.94
  4. Step 4: Simplify right side
    48,658.32x = 2,305,129,950.70
  5. Step 5: Solve for x
    x = 2,305,129,950.70/48,658.32
  6. Step 6: Final answer
    x = 47,373.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.