Home / 90,929.88-125,485.92-50,095.44

Finding the Fourth Proportional to 90,929.88, 125,485.92 and 50,095.44

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Solution

The fourth proportional to 90,929.88, 125,485.92 and 50,095.44 is: 69,133.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,929.88 : 125,485.92 = 50,095.44 : x
  2. Step 2: Convert to fraction form
    90,929.88/125,485.92 = 50,095.44/x
  3. Step 3: Cross multiply
    90,929.88x = 125,485.92 × 50,095.44
  4. Step 4: Simplify right side
    90,929.88x = 6,286,272,376.20
  5. Step 5: Solve for x
    x = 6,286,272,376.20/90,929.88
  6. Step 6: Final answer
    x = 69,133.19

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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.