Home / 86,742.79-119,703.49-49,016.23

Finding the Fourth Proportional to 86,742.79, 119,703.49 and 49,016.23

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Solution

The fourth proportional to 86,742.79, 119,703.49 and 49,016.23 is: 67,641.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,742.79 : 119,703.49 = 49,016.23 : x
  2. Step 2: Convert to fraction form
    86,742.79/119,703.49 = 49,016.23/x
  3. Step 3: Cross multiply
    86,742.79x = 119,703.49 × 49,016.23
  4. Step 4: Simplify right side
    86,742.79x = 5,867,413,797.64
  5. Step 5: Solve for x
    x = 5,867,413,797.64/86,742.79
  6. Step 6: Final answer
    x = 67,641.52

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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.