Home / 66,628.28-91,790.66-46,448.44

Finding the Fourth Proportional to 66,628.28, 91,790.66 and 46,448.44

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Solution

The fourth proportional to 66,628.28, 91,790.66 and 46,448.44 is: 63,989.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,628.28 : 91,790.66 = 46,448.44 : x
  2. Step 2: Convert to fraction form
    66,628.28/91,790.66 = 46,448.44/x
  3. Step 3: Cross multiply
    66,628.28x = 91,790.66 × 46,448.44
  4. Step 4: Simplify right side
    66,628.28x = 4,263,532,963.57
  5. Step 5: Solve for x
    x = 4,263,532,963.57/66,628.28
  6. Step 6: Final answer
    x = 63,989.84

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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.