Home / 86,479.11-119,352.69-50,683.32

Finding the Fourth Proportional to 86,479.11, 119,352.69 and 50,683.32

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Solution

The fourth proportional to 86,479.11, 119,352.69 and 50,683.32 is: 69,949.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,479.11 : 119,352.69 = 50,683.32 : x
  2. Step 2: Convert to fraction form
    86,479.11/119,352.69 = 50,683.32/x
  3. Step 3: Cross multiply
    86,479.11x = 119,352.69 × 50,683.32
  4. Step 4: Simplify right side
    86,479.11x = 6,049,190,580.13
  5. Step 5: Solve for x
    x = 6,049,190,580.13/86,479.11
  6. Step 6: Final answer
    x = 69,949.73

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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.