Home / 78,192.05-107,819.44-58,086.23

Finding the Fourth Proportional to 78,192.05, 107,819.44 and 58,086.23

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Solution

The fourth proportional to 78,192.05, 107,819.44 and 58,086.23 is: 80,095.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,192.05 : 107,819.44 = 58,086.23 : x
  2. Step 2: Convert to fraction form
    78,192.05/107,819.44 = 58,086.23/x
  3. Step 3: Cross multiply
    78,192.05x = 107,819.44 × 58,086.23
  4. Step 4: Simplify right side
    78,192.05x = 6,262,824,106.00
  5. Step 5: Solve for x
    x = 6,262,824,106.00/78,192.05
  6. Step 6: Final answer
    x = 80,095.41

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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.