Home / 75,248.28-113,013.06-66,245.64

Finding the Fourth Proportional to 75,248.28, 113,013.06 and 66,245.64

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Solution

The fourth proportional to 75,248.28, 113,013.06 and 66,245.64 is: 99,492.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,248.28 : 113,013.06 = 66,245.64 : x
  2. Step 2: Convert to fraction form
    75,248.28/113,013.06 = 66,245.64/x
  3. Step 3: Cross multiply
    75,248.28x = 113,013.06 × 66,245.64
  4. Step 4: Simplify right side
    75,248.28x = 7,486,622,488.06
  5. Step 5: Solve for x
    x = 7,486,622,488.06/75,248.28
  6. Step 6: Final answer
    x = 99,492.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.