Home / 86,701.62-119,634.28-52,691.92

Finding the Fourth Proportional to 86,701.62, 119,634.28 and 52,691.92

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Solution

The fourth proportional to 86,701.62, 119,634.28 and 52,691.92 is: 72,706.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,701.62 : 119,634.28 = 52,691.92 : x
  2. Step 2: Convert to fraction form
    86,701.62/119,634.28 = 52,691.92/x
  3. Step 3: Cross multiply
    86,701.62x = 119,634.28 × 52,691.92
  4. Step 4: Simplify right side
    86,701.62x = 6,303,759,911.02
  5. Step 5: Solve for x
    x = 6,303,759,911.02/86,701.62
  6. Step 6: Final answer
    x = 72,706.37

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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.