Home / 81,753.16-112,829.38-45,944.68

Finding the Fourth Proportional to 81,753.16, 112,829.38 and 45,944.68

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Solution

The fourth proportional to 81,753.16, 112,829.38 and 45,944.68 is: 63,409.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,753.16 : 112,829.38 = 45,944.68 : x
  2. Step 2: Convert to fraction form
    81,753.16/112,829.38 = 45,944.68/x
  3. Step 3: Cross multiply
    81,753.16x = 112,829.38 × 45,944.68
  4. Step 4: Simplify right side
    81,753.16x = 5,183,909,758.70
  5. Step 5: Solve for x
    x = 5,183,909,758.70/81,753.16
  6. Step 6: Final answer
    x = 63,409.29

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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.