Home / 86,689.76-119,611.56-50,877.92

Finding the Fourth Proportional to 86,689.76, 119,611.56 and 50,877.92

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Solution

The fourth proportional to 86,689.76, 119,611.56 and 50,877.92 is: 70,199.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,689.76 : 119,611.56 = 50,877.92 : x
  2. Step 2: Convert to fraction form
    86,689.76/119,611.56 = 50,877.92/x
  3. Step 3: Cross multiply
    86,689.76x = 119,611.56 × 50,877.92
  4. Step 4: Simplify right side
    86,689.76x = 6,085,587,380.76
  5. Step 5: Solve for x
    x = 6,085,587,380.76/86,689.76
  6. Step 6: Final answer
    x = 70,199.61

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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.