Home / 77,863.12-116,794.86-21,703.36

Finding the Fourth Proportional to 77,863.12, 116,794.86 and 21,703.36

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Solution

The fourth proportional to 77,863.12, 116,794.86 and 21,703.36 is: 32,555.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,863.12 : 116,794.86 = 21,703.36 : x
  2. Step 2: Convert to fraction form
    77,863.12/116,794.86 = 21,703.36/x
  3. Step 3: Cross multiply
    77,863.12x = 116,794.86 × 21,703.36
  4. Step 4: Simplify right side
    77,863.12x = 2,534,840,892.73
  5. Step 5: Solve for x
    x = 2,534,840,892.73/77,863.12
  6. Step 6: Final answer
    x = 32,555.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.