Home / 68,420.46-102,643.42-26,298.84

Finding the Fourth Proportional to 68,420.46, 102,643.42 and 26,298.84

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Solution

The fourth proportional to 68,420.46, 102,643.42 and 26,298.84 is: 39,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,420.46 : 102,643.42 = 26,298.84 : x
  2. Step 2: Convert to fraction form
    68,420.46/102,643.42 = 26,298.84/x
  3. Step 3: Cross multiply
    68,420.46x = 102,643.42 × 26,298.84
  4. Step 4: Simplify right side
    68,420.46x = 2,699,402,879.63
  5. Step 5: Solve for x
    x = 2,699,402,879.63/68,420.46
  6. Step 6: Final answer
    x = 39,453.15

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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.