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Finding the Fourth Proportional to 64,144.26, 88,519.64 and 35,463.46

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Solution

The fourth proportional to 64,144.26, 88,519.64 and 35,463.46 is: 48,939.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,144.26 : 88,519.64 = 35,463.46 : x
  2. Step 2: Convert to fraction form
    64,144.26/88,519.64 = 35,463.46/x
  3. Step 3: Cross multiply
    64,144.26x = 88,519.64 × 35,463.46
  4. Step 4: Simplify right side
    64,144.26x = 3,139,212,712.35
  5. Step 5: Solve for x
    x = 3,139,212,712.35/64,144.26
  6. Step 6: Final answer
    x = 48,939.89

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1.5x scale

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.