Home / 86,863.60-119,707.92-69,616.36

Finding the Fourth Proportional to 86,863.60, 119,707.92 and 69,616.36

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Solution

The fourth proportional to 86,863.60, 119,707.92 and 69,616.36 is: 95,939.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,863.60 : 119,707.92 = 69,616.36 : x
  2. Step 2: Convert to fraction form
    86,863.60/119,707.92 = 69,616.36/x
  3. Step 3: Cross multiply
    86,863.60x = 119,707.92 × 69,616.36
  4. Step 4: Simplify right side
    86,863.60x = 8,333,629,653.57
  5. Step 5: Solve for x
    x = 8,333,629,653.57/86,863.60
  6. Step 6: Final answer
    x = 95,939.26

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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.