Home / 86,513.60-119,366.18-50,684.36

Finding the Fourth Proportional to 86,513.60, 119,366.18 and 50,684.36

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Solution

The fourth proportional to 86,513.60, 119,366.18 and 50,684.36 is: 69,931.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,513.60 : 119,366.18 = 50,684.36 : x
  2. Step 2: Convert to fraction form
    86,513.60/119,366.18 = 50,684.36/x
  3. Step 3: Cross multiply
    86,513.60x = 119,366.18 × 50,684.36
  4. Step 4: Simplify right side
    86,513.60x = 6,049,998,438.94
  5. Step 5: Solve for x
    x = 6,049,998,438.94/86,513.60
  6. Step 6: Final answer
    x = 69,931.18

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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.