Home / 75,131.92-103,669.86-44,929.72

Finding the Fourth Proportional to 75,131.92, 103,669.86 and 44,929.72

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Solution

The fourth proportional to 75,131.92, 103,669.86 and 44,929.72 is: 61,995.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,131.92 : 103,669.86 = 44,929.72 : x
  2. Step 2: Convert to fraction form
    75,131.92/103,669.86 = 44,929.72/x
  3. Step 3: Cross multiply
    75,131.92x = 103,669.86 × 44,929.72
  4. Step 4: Simplify right side
    75,131.92x = 4,657,857,782.24
  5. Step 5: Solve for x
    x = 4,657,857,782.24/75,131.92
  6. Step 6: Final answer
    x = 61,995.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.