Home / 69,162.68-103,577.76-39,490.58

Finding the Fourth Proportional to 69,162.68, 103,577.76 and 39,490.58

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Solution

The fourth proportional to 69,162.68, 103,577.76 and 39,490.58 is: 59,140.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,162.68 : 103,577.76 = 39,490.58 : x
  2. Step 2: Convert to fraction form
    69,162.68/103,577.76 = 39,490.58/x
  3. Step 3: Cross multiply
    69,162.68x = 103,577.76 × 39,490.58
  4. Step 4: Simplify right side
    69,162.68x = 4,090,345,817.50
  5. Step 5: Solve for x
    x = 4,090,345,817.50/69,162.68
  6. Step 6: Final answer
    x = 59,140.94

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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.