Home / 75,914.63-113,884.10-38,459.53

Finding the Fourth Proportional to 75,914.63, 113,884.10 and 38,459.53

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Solution

The fourth proportional to 75,914.63, 113,884.10 and 38,459.53 is: 57,695.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,914.63 : 113,884.10 = 38,459.53 : x
  2. Step 2: Convert to fraction form
    75,914.63/113,884.10 = 38,459.53/x
  3. Step 3: Cross multiply
    75,914.63x = 113,884.10 × 38,459.53
  4. Step 4: Simplify right side
    75,914.63x = 4,379,928,960.47
  5. Step 5: Solve for x
    x = 4,379,928,960.47/75,914.63
  6. Step 6: Final answer
    x = 57,695.45

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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.