Home / 75,515.59-113,276.83-38,031.02

Finding the Fourth Proportional to 75,515.59, 113,276.83 and 38,031.02

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Solution

The fourth proportional to 75,515.59, 113,276.83 and 38,031.02 is: 57,048.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,515.59 : 113,276.83 = 38,031.02 : x
  2. Step 2: Convert to fraction form
    75,515.59/113,276.83 = 38,031.02/x
  3. Step 3: Cross multiply
    75,515.59x = 113,276.83 × 38,031.02
  4. Step 4: Simplify right side
    75,515.59x = 4,308,033,221.90
  5. Step 5: Solve for x
    x = 4,308,033,221.90/75,515.59
  6. Step 6: Final answer
    x = 57,048.26

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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.