Home / 66,448.26-91,706.85-38,153.34

Finding the Fourth Proportional to 66,448.26, 91,706.85 and 38,153.34

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Solution

The fourth proportional to 66,448.26, 91,706.85 and 38,153.34 is: 52,656.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,448.26 : 91,706.85 = 38,153.34 : x
  2. Step 2: Convert to fraction form
    66,448.26/91,706.85 = 38,153.34/x
  3. Step 3: Cross multiply
    66,448.26x = 91,706.85 × 38,153.34
  4. Step 4: Simplify right side
    66,448.26x = 3,498,922,628.38
  5. Step 5: Solve for x
    x = 3,498,922,628.38/66,448.26
  6. Step 6: Final answer
    x = 52,656.35

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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.