Home / 66,197.81-91,330.62-37,514.45

Finding the Fourth Proportional to 66,197.81, 91,330.62 and 37,514.45

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Solution

The fourth proportional to 66,197.81, 91,330.62 and 37,514.45 is: 51,757.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,197.81 : 91,330.62 = 37,514.45 : x
  2. Step 2: Convert to fraction form
    66,197.81/91,330.62 = 37,514.45/x
  3. Step 3: Cross multiply
    66,197.81x = 91,330.62 × 37,514.45
  4. Step 4: Simplify right side
    66,197.81x = 3,426,217,977.46
  5. Step 5: Solve for x
    x = 3,426,217,977.46/66,197.81
  6. Step 6: Final answer
    x = 51,757.27

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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.