Home / 86,731.15-119,682.38-52,734.91

Finding the Fourth Proportional to 86,731.15, 119,682.38 and 52,734.91

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Solution

The fourth proportional to 86,731.15, 119,682.38 and 52,734.91 is: 72,770.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,731.15 : 119,682.38 = 52,734.91 : x
  2. Step 2: Convert to fraction form
    86,731.15/119,682.38 = 52,734.91/x
  3. Step 3: Cross multiply
    86,731.15x = 119,682.38 × 52,734.91
  4. Step 4: Simplify right side
    86,731.15x = 6,311,439,274.21
  5. Step 5: Solve for x
    x = 6,311,439,274.21/86,731.15
  6. Step 6: Final answer
    x = 72,770.16

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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.