Home / 66,080.48-91,192.42-37,400.14

Finding the Fourth Proportional to 66,080.48, 91,192.42 and 37,400.14

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Solution

The fourth proportional to 66,080.48, 91,192.42 and 37,400.14 is: 51,612.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,080.48 : 91,192.42 = 37,400.14 : x
  2. Step 2: Convert to fraction form
    66,080.48/91,192.42 = 37,400.14/x
  3. Step 3: Cross multiply
    66,080.48x = 91,192.42 × 37,400.14
  4. Step 4: Simplify right side
    66,080.48x = 3,410,609,274.94
  5. Step 5: Solve for x
    x = 3,410,609,274.94/66,080.48
  6. Step 6: Final answer
    x = 51,612.96

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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.