Home / 81,849.36-112,944.60-46,040.88

Finding the Fourth Proportional to 81,849.36, 112,944.60 and 46,040.88

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Solution

The fourth proportional to 81,849.36, 112,944.60 and 46,040.88 is: 63,532.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,849.36 : 112,944.60 = 46,040.88 : x
  2. Step 2: Convert to fraction form
    81,849.36/112,944.60 = 46,040.88/x
  3. Step 3: Cross multiply
    81,849.36x = 112,944.60 × 46,040.88
  4. Step 4: Simplify right side
    81,849.36x = 5,200,068,775.25
  5. Step 5: Solve for x
    x = 5,200,068,775.25/81,849.36
  6. Step 6: Final answer
    x = 63,532.19

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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.