Home / 76,192.14-105,145.92-45,971.61

Finding the Fourth Proportional to 76,192.14, 105,145.92 and 45,971.61

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Solution

The fourth proportional to 76,192.14, 105,145.92 and 45,971.61 is: 63,441.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,192.14 : 105,145.92 = 45,971.61 : x
  2. Step 2: Convert to fraction form
    76,192.14/105,145.92 = 45,971.61/x
  3. Step 3: Cross multiply
    76,192.14x = 105,145.92 × 45,971.61
  4. Step 4: Simplify right side
    76,192.14x = 4,833,727,227.33
  5. Step 5: Solve for x
    x = 4,833,727,227.33/76,192.14
  6. Step 6: Final answer
    x = 63,441.28

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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.