Home / 69,669.01-96,145.14-40,990.69

Finding the Fourth Proportional to 69,669.01, 96,145.14 and 40,990.69

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Solution

The fourth proportional to 69,669.01, 96,145.14 and 40,990.69 is: 56,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,669.01 : 96,145.14 = 40,990.69 : x
  2. Step 2: Convert to fraction form
    69,669.01/96,145.14 = 40,990.69/x
  3. Step 3: Cross multiply
    69,669.01x = 96,145.14 × 40,990.69
  4. Step 4: Simplify right side
    69,669.01x = 3,941,055,628.75
  5. Step 5: Solve for x
    x = 3,941,055,628.75/69,669.01
  6. Step 6: Final answer
    x = 56,568.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.