Home / 66,275.64-91,494.24-51,134.28

Finding the Fourth Proportional to 66,275.64, 91,494.24 and 51,134.28

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Solution

The fourth proportional to 66,275.64, 91,494.24 and 51,134.28 is: 70,591.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,275.64 : 91,494.24 = 51,134.28 : x
  2. Step 2: Convert to fraction form
    66,275.64/91,494.24 = 51,134.28/x
  3. Step 3: Cross multiply
    66,275.64x = 91,494.24 × 51,134.28
  4. Step 4: Simplify right side
    66,275.64x = 4,678,492,086.55
  5. Step 5: Solve for x
    x = 4,678,492,086.55/66,275.64
  6. Step 6: Final answer
    x = 70,591.43

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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.