Home / 64,434.41-88,922.53-40,249.70

Finding the Fourth Proportional to 64,434.41, 88,922.53 and 40,249.70

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Solution

The fourth proportional to 64,434.41, 88,922.53 and 40,249.70 is: 55,546.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,434.41 : 88,922.53 = 40,249.70 : x
  2. Step 2: Convert to fraction form
    64,434.41/88,922.53 = 40,249.70/x
  3. Step 3: Cross multiply
    64,434.41x = 88,922.53 × 40,249.70
  4. Step 4: Simplify right side
    64,434.41x = 3,579,105,155.74
  5. Step 5: Solve for x
    x = 3,579,105,155.74/64,434.41
  6. Step 6: Final answer
    x = 55,546.49

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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.