Home / 75,715.08-113,491.08-36,188.16

Finding the Fourth Proportional to 75,715.08, 113,491.08 and 36,188.16

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Solution

The fourth proportional to 75,715.08, 113,491.08 and 36,188.16 is: 54,243.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,715.08 : 113,491.08 = 36,188.16 : x
  2. Step 2: Convert to fraction form
    75,715.08/113,491.08 = 36,188.16/x
  3. Step 3: Cross multiply
    75,715.08x = 113,491.08 × 36,188.16
  4. Step 4: Simplify right side
    75,715.08x = 4,107,033,361.61
  5. Step 5: Solve for x
    x = 4,107,033,361.61/75,715.08
  6. Step 6: Final answer
    x = 54,243.27

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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.