Home / 76,363.54-105,360.13-49,507.22

Finding the Fourth Proportional to 76,363.54, 105,360.13 and 49,507.22

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Solution

The fourth proportional to 76,363.54, 105,360.13 and 49,507.22 is: 68,305.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,363.54 : 105,360.13 = 49,507.22 : x
  2. Step 2: Convert to fraction form
    76,363.54/105,360.13 = 49,507.22/x
  3. Step 3: Cross multiply
    76,363.54x = 105,360.13 × 49,507.22
  4. Step 4: Simplify right side
    76,363.54x = 5,216,087,135.14
  5. Step 5: Solve for x
    x = 5,216,087,135.14/76,363.54
  6. Step 6: Final answer
    x = 68,305.99

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1.5x scale

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.