Home / 66,047.36-91,145.34-37,753.65

Finding the Fourth Proportional to 66,047.36, 91,145.34 and 37,753.65

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Solution

The fourth proportional to 66,047.36, 91,145.34 and 37,753.65 is: 52,100.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,047.36 : 91,145.34 = 37,753.65 : x
  2. Step 2: Convert to fraction form
    66,047.36/91,145.34 = 37,753.65/x
  3. Step 3: Cross multiply
    66,047.36x = 91,145.34 × 37,753.65
  4. Step 4: Simplify right side
    66,047.36x = 3,441,069,265.49
  5. Step 5: Solve for x
    x = 3,441,069,265.49/66,047.36
  6. Step 6: Final answer
    x = 52,100.03

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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.