Home / 66,154.20-91,290.69-37,859.28

Finding the Fourth Proportional to 66,154.20, 91,290.69 and 37,859.28

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Solution

The fourth proportional to 66,154.20, 91,290.69 and 37,859.28 is: 52,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,154.20 : 91,290.69 = 37,859.28 : x
  2. Step 2: Convert to fraction form
    66,154.20/91,290.69 = 37,859.28/x
  3. Step 3: Cross multiply
    66,154.20x = 91,290.69 × 37,859.28
  4. Step 4: Simplify right side
    66,154.20x = 3,456,199,794.10
  5. Step 5: Solve for x
    x = 3,456,199,794.10/66,154.20
  6. Step 6: Final answer
    x = 52,244.60

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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.