Home / 86,727.96-119,677.96-52,731.76

Finding the Fourth Proportional to 86,727.96, 119,677.96 and 52,731.76

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Solution

The fourth proportional to 86,727.96, 119,677.96 and 52,731.76 is: 72,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,727.96 : 119,677.96 = 52,731.76 : x
  2. Step 2: Convert to fraction form
    86,727.96/119,677.96 = 52,731.76/x
  3. Step 3: Cross multiply
    86,727.96x = 119,677.96 × 52,731.76
  4. Step 4: Simplify right side
    86,727.96x = 6,310,829,464.01
  5. Step 5: Solve for x
    x = 6,310,829,464.01/86,727.96
  6. Step 6: Final answer
    x = 72,765.80

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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.