Home / 68,263.76-102,412.92-28,800.56

Finding the Fourth Proportional to 68,263.76, 102,412.92 and 28,800.56

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Solution

The fourth proportional to 68,263.76, 102,412.92 and 28,800.56 is: 43,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,263.76 : 102,412.92 = 28,800.56 : x
  2. Step 2: Convert to fraction form
    68,263.76/102,412.92 = 28,800.56/x
  3. Step 3: Cross multiply
    68,263.76x = 102,412.92 × 28,800.56
  4. Step 4: Simplify right side
    68,263.76x = 2,949,549,447.24
  5. Step 5: Solve for x
    x = 2,949,549,447.24/68,263.76
  6. Step 6: Final answer
    x = 43,208.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.