Home / 86,516.10-119,392.20-48,790.26

Finding the Fourth Proportional to 86,516.10, 119,392.20 and 48,790.26

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Solution

The fourth proportional to 86,516.10, 119,392.20 and 48,790.26 is: 67,330.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,516.10 : 119,392.20 = 48,790.26 : x
  2. Step 2: Convert to fraction form
    86,516.10/119,392.20 = 48,790.26/x
  3. Step 3: Cross multiply
    86,516.10x = 119,392.20 × 48,790.26
  4. Step 4: Simplify right side
    86,516.10x = 5,825,176,479.97
  5. Step 5: Solve for x
    x = 5,825,176,479.97/86,516.10
  6. Step 6: Final answer
    x = 67,330.55

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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.