Home / 75,113.49-112,691.43-37,628.31

Finding the Fourth Proportional to 75,113.49, 112,691.43 and 37,628.31

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Solution

The fourth proportional to 75,113.49, 112,691.43 and 37,628.31 is: 56,453.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,113.49 : 112,691.43 = 37,628.31 : x
  2. Step 2: Convert to fraction form
    75,113.49/112,691.43 = 37,628.31/x
  3. Step 3: Cross multiply
    75,113.49x = 112,691.43 × 37,628.31
  4. Step 4: Simplify right side
    75,113.49x = 4,240,388,062.38
  5. Step 5: Solve for x
    x = 4,240,388,062.38/75,113.49
  6. Step 6: Final answer
    x = 56,453.08

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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.