Home / 64,429.88-88,913.30-36,135.59

Finding the Fourth Proportional to 64,429.88, 88,913.30 and 36,135.59

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Solution

The fourth proportional to 64,429.88, 88,913.30 and 36,135.59 is: 49,867.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,429.88 : 88,913.30 = 36,135.59 : x
  2. Step 2: Convert to fraction form
    64,429.88/88,913.30 = 36,135.59/x
  3. Step 3: Cross multiply
    64,429.88x = 88,913.30 × 36,135.59
  4. Step 4: Simplify right side
    64,429.88x = 3,212,933,929.10
  5. Step 5: Solve for x
    x = 3,212,933,929.10/64,429.88
  6. Step 6: Final answer
    x = 49,867.15

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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.