Home / 66,129.39-91,256.76-37,833.26

Finding the Fourth Proportional to 66,129.39, 91,256.76 and 37,833.26

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Solution

The fourth proportional to 66,129.39, 91,256.76 and 37,833.26 is: 52,208.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,129.39 : 91,256.76 = 37,833.26 : x
  2. Step 2: Convert to fraction form
    66,129.39/91,256.76 = 37,833.26/x
  3. Step 3: Cross multiply
    66,129.39x = 91,256.76 × 37,833.26
  4. Step 4: Simplify right side
    66,129.39x = 3,452,540,271.55
  5. Step 5: Solve for x
    x = 3,452,540,271.55/66,129.39
  6. Step 6: Final answer
    x = 52,208.86

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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.