Home / 101,384.72-139,928.27-58,967.85

Finding the Fourth Proportional to 101,384.72, 139,928.27 and 58,967.85

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Solution

The fourth proportional to 101,384.72, 139,928.27 and 58,967.85 is: 81,385.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,384.72 : 139,928.27 = 58,967.85 : x
  2. Step 2: Convert to fraction form
    101,384.72/139,928.27 = 58,967.85/x
  3. Step 3: Cross multiply
    101,384.72x = 139,928.27 × 58,967.85
  4. Step 4: Simplify right side
    101,384.72x = 8,251,269,236.12
  5. Step 5: Solve for x
    x = 8,251,269,236.12/101,384.72
  6. Step 6: Final answer
    x = 81,385.73

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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.