Home / 68,030.26-101,875.66-42,994.78

Finding the Fourth Proportional to 68,030.26, 101,875.66 and 42,994.78

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Solution

The fourth proportional to 68,030.26, 101,875.66 and 42,994.78 is: 64,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,030.26 : 101,875.66 = 42,994.78 : x
  2. Step 2: Convert to fraction form
    68,030.26/101,875.66 = 42,994.78/x
  3. Step 3: Cross multiply
    68,030.26x = 101,875.66 × 42,994.78
  4. Step 4: Simplify right side
    68,030.26x = 4,380,121,589.05
  5. Step 5: Solve for x
    x = 4,380,121,589.05/68,030.26
  6. Step 6: Final answer
    x = 64,384.90

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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.