Home / 81,937.27-113,073.32-46,138.85

Finding the Fourth Proportional to 81,937.27, 113,073.32 and 46,138.85

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Solution

The fourth proportional to 81,937.27, 113,073.32 and 46,138.85 is: 63,671.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,937.27 : 113,073.32 = 46,138.85 : x
  2. Step 2: Convert to fraction form
    81,937.27/113,073.32 = 46,138.85/x
  3. Step 3: Cross multiply
    81,937.27x = 113,073.32 × 46,138.85
  4. Step 4: Simplify right side
    81,937.27x = 5,217,072,154.42
  5. Step 5: Solve for x
    x = 5,217,072,154.42/81,937.27
  6. Step 6: Final answer
    x = 63,671.54

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1.5x scale

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.