Home / 66,772.26-92,150.16-38,479.77

Finding the Fourth Proportional to 66,772.26, 92,150.16 and 38,479.77

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Solution

The fourth proportional to 66,772.26, 92,150.16 and 38,479.77 is: 53,104.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,772.26 : 92,150.16 = 38,479.77 : x
  2. Step 2: Convert to fraction form
    66,772.26/92,150.16 = 38,479.77/x
  3. Step 3: Cross multiply
    66,772.26x = 92,150.16 × 38,479.77
  4. Step 4: Simplify right side
    66,772.26x = 3,545,916,962.26
  5. Step 5: Solve for x
    x = 3,545,916,962.26/66,772.26
  6. Step 6: Final answer
    x = 53,104.64

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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.