Home / 90,983.95-125,556.16-49,591.30

Finding the Fourth Proportional to 90,983.95, 125,556.16 and 49,591.30

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Solution

The fourth proportional to 90,983.95, 125,556.16 and 49,591.30 is: 68,435.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,983.95 : 125,556.16 = 49,591.30 : x
  2. Step 2: Convert to fraction form
    90,983.95/125,556.16 = 49,591.30/x
  3. Step 3: Cross multiply
    90,983.95x = 125,556.16 × 49,591.30
  4. Step 4: Simplify right side
    90,983.95x = 6,226,492,767.46
  5. Step 5: Solve for x
    x = 6,226,492,767.46/90,983.95
  6. Step 6: Final answer
    x = 68,435.07

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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.