Home / 81,537.48-112,500.32-47,073.78

Finding the Fourth Proportional to 81,537.48, 112,500.32 and 47,073.78

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Solution

The fourth proportional to 81,537.48, 112,500.32 and 47,073.78 is: 64,949.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,537.48 : 112,500.32 = 47,073.78 : x
  2. Step 2: Convert to fraction form
    81,537.48/112,500.32 = 47,073.78/x
  3. Step 3: Cross multiply
    81,537.48x = 112,500.32 × 47,073.78
  4. Step 4: Simplify right side
    81,537.48x = 5,295,815,078.24
  5. Step 5: Solve for x
    x = 5,295,815,078.24/81,537.48
  6. Step 6: Final answer
    x = 64,949.46

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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.