Home / 66,053.88-91,154.30-37,760.18

Finding the Fourth Proportional to 66,053.88, 91,154.30 and 37,760.18

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Solution

The fourth proportional to 66,053.88, 91,154.30 and 37,760.18 is: 52,109.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,053.88 : 91,154.30 = 37,760.18 : x
  2. Step 2: Convert to fraction form
    66,053.88/91,154.30 = 37,760.18/x
  3. Step 3: Cross multiply
    66,053.88x = 91,154.30 × 37,760.18
  4. Step 4: Simplify right side
    66,053.88x = 3,442,002,131.20
  5. Step 5: Solve for x
    x = 3,442,002,131.20/66,053.88
  6. Step 6: Final answer
    x = 52,109.01

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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.