Home / 112,959.28-169,433.79-49,762.50

Finding the Fourth Proportional to 112,959.28, 169,433.79 and 49,762.50

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Solution

The fourth proportional to 112,959.28, 169,433.79 and 49,762.50 is: 74,641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,959.28 : 169,433.79 = 49,762.50 : x
  2. Step 2: Convert to fraction form
    112,959.28/169,433.79 = 49,762.50/x
  3. Step 3: Cross multiply
    112,959.28x = 169,433.79 × 49,762.50
  4. Step 4: Simplify right side
    112,959.28x = 8,431,448,974.88
  5. Step 5: Solve for x
    x = 8,431,448,974.88/112,959.28
  6. Step 6: Final answer
    x = 74,641.49

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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.