Home / 75,112.49-112,689.93-37,627.31

Finding the Fourth Proportional to 75,112.49, 112,689.93 and 37,627.31

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Solution

The fourth proportional to 75,112.49, 112,689.93 and 37,627.31 is: 56,451.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,112.49 : 112,689.93 = 37,627.31 : x
  2. Step 2: Convert to fraction form
    75,112.49/112,689.93 = 37,627.31/x
  3. Step 3: Cross multiply
    75,112.49x = 112,689.93 × 37,627.31
  4. Step 4: Simplify right side
    75,112.49x = 4,240,218,929.99
  5. Step 5: Solve for x
    x = 4,240,218,929.99/75,112.49
  6. Step 6: Final answer
    x = 56,451.58

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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.