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Finding the Fourth Proportional to 63,953.88, 88,261.62 and 35,279.16

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Solution

The fourth proportional to 63,953.88, 88,261.62 and 35,279.16 is: 48,688.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,953.88 : 88,261.62 = 35,279.16 : x
  2. Step 2: Convert to fraction form
    63,953.88/88,261.62 = 35,279.16/x
  3. Step 3: Cross multiply
    63,953.88x = 88,261.62 × 35,279.16
  4. Step 4: Simplify right side
    63,953.88x = 3,113,795,813.84
  5. Step 5: Solve for x
    x = 3,113,795,813.84/63,953.88
  6. Step 6: Final answer
    x = 48,688.15

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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.