Home / 66,146.67-91,290.38-37,851.75

Finding the Fourth Proportional to 66,146.67, 91,290.38 and 37,851.75

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Solution

The fourth proportional to 66,146.67, 91,290.38 and 37,851.75 is: 52,239.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,146.67 : 91,290.38 = 37,851.75 : x
  2. Step 2: Convert to fraction form
    66,146.67/91,290.38 = 37,851.75/x
  3. Step 3: Cross multiply
    66,146.67x = 91,290.38 × 37,851.75
  4. Step 4: Simplify right side
    66,146.67x = 3,455,500,451.91
  5. Step 5: Solve for x
    x = 3,455,500,451.91/66,146.67
  6. Step 6: Final answer
    x = 52,239.98

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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.