Home / 86,516.59-119,392.90-48,790.84

Finding the Fourth Proportional to 86,516.59, 119,392.90 and 48,790.84

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Solution

The fourth proportional to 86,516.59, 119,392.90 and 48,790.84 is: 67,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,516.59 : 119,392.90 = 48,790.84 : x
  2. Step 2: Convert to fraction form
    86,516.59/119,392.90 = 48,790.84/x
  3. Step 3: Cross multiply
    86,516.59x = 119,392.90 × 48,790.84
  4. Step 4: Simplify right side
    86,516.59x = 5,825,279,881.04
  5. Step 5: Solve for x
    x = 5,825,279,881.04/86,516.59
  6. Step 6: Final answer
    x = 67,331.36

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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.