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Finding the Fourth Proportional to 64,241.79, 88,653.78 and 35,947.50

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Solution

The fourth proportional to 64,241.79, 88,653.78 and 35,947.50 is: 49,607.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,241.79 : 88,653.78 = 35,947.50 : x
  2. Step 2: Convert to fraction form
    64,241.79/88,653.78 = 35,947.50/x
  3. Step 3: Cross multiply
    64,241.79x = 88,653.78 × 35,947.50
  4. Step 4: Simplify right side
    64,241.79x = 3,186,881,756.55
  5. Step 5: Solve for x
    x = 3,186,881,756.55/64,241.79
  6. Step 6: Final answer
    x = 49,607.61

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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.