Home / 64,121.99-88,513.04-57,395.75

Finding the Fourth Proportional to 64,121.99, 88,513.04 and 57,395.75

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Solution

The fourth proportional to 64,121.99, 88,513.04 and 57,395.75 is: 79,228.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,121.99 : 88,513.04 = 57,395.75 : x
  2. Step 2: Convert to fraction form
    64,121.99/88,513.04 = 57,395.75/x
  3. Step 3: Cross multiply
    64,121.99x = 88,513.04 × 57,395.75
  4. Step 4: Simplify right side
    64,121.99x = 5,080,272,680.35
  5. Step 5: Solve for x
    x = 5,080,272,680.35/64,121.99
  6. Step 6: Final answer
    x = 79,228.24

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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.