Home / 45,449.28-67,976.64-26,684.64

Finding the Fourth Proportional to 45,449.28, 67,976.64 and 26,684.64

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Solution

The fourth proportional to 45,449.28, 67,976.64 and 26,684.64 is: 39,911.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,449.28 : 67,976.64 = 26,684.64 : x
  2. Step 2: Convert to fraction form
    45,449.28/67,976.64 = 26,684.64/x
  3. Step 3: Cross multiply
    45,449.28x = 67,976.64 × 26,684.64
  4. Step 4: Simplify right side
    45,449.28x = 1,813,932,166.81
  5. Step 5: Solve for x
    x = 1,813,932,166.81/45,449.28
  6. Step 6: Final answer
    x = 39,911.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.