Home / 76,207.91-105,218.24-47,571.17

Finding the Fourth Proportional to 76,207.91, 105,218.24 and 47,571.17

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Solution

The fourth proportional to 76,207.91, 105,218.24 and 47,571.17 is: 65,680.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,207.91 : 105,218.24 = 47,571.17 : x
  2. Step 2: Convert to fraction form
    76,207.91/105,218.24 = 47,571.17/x
  3. Step 3: Cross multiply
    76,207.91x = 105,218.24 × 47,571.17
  4. Step 4: Simplify right side
    76,207.91x = 5,005,354,018.19
  5. Step 5: Solve for x
    x = 5,005,354,018.19/76,207.91
  6. Step 6: Final answer
    x = 65,680.25

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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.