Home / 69,371.12-104,052.40-42,722.19

Finding the Fourth Proportional to 69,371.12, 104,052.40 and 42,722.19

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Solution

The fourth proportional to 69,371.12, 104,052.40 and 42,722.19 is: 64,080.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,371.12 : 104,052.40 = 42,722.19 : x
  2. Step 2: Convert to fraction form
    69,371.12/104,052.40 = 42,722.19/x
  3. Step 3: Cross multiply
    69,371.12x = 104,052.40 × 42,722.19
  4. Step 4: Simplify right side
    69,371.12x = 4,445,346,295.95
  5. Step 5: Solve for x
    x = 4,445,346,295.95/69,371.12
  6. Step 6: Final answer
    x = 64,080.65

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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.