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Finding the Fourth Proportional to 64,473.42, 88,975.08 and 36,180.84

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Solution

The fourth proportional to 64,473.42, 88,975.08 and 36,180.84 is: 49,930.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,473.42 : 88,975.08 = 36,180.84 : x
  2. Step 2: Convert to fraction form
    64,473.42/88,975.08 = 36,180.84/x
  3. Step 3: Cross multiply
    64,473.42x = 88,975.08 × 36,180.84
  4. Step 4: Simplify right side
    64,473.42x = 3,219,193,133.47
  5. Step 5: Solve for x
    x = 3,219,193,133.47/64,473.42
  6. Step 6: Final answer
    x = 49,930.55

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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.