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Finding the Fourth Proportional to 76,003.52, 104,884.88 and 41,548.40

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Solution

The fourth proportional to 76,003.52, 104,884.88 and 41,548.40 is: 57,336.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,003.52 : 104,884.88 = 41,548.40 : x
  2. Step 2: Convert to fraction form
    76,003.52/104,884.88 = 41,548.40/x
  3. Step 3: Cross multiply
    76,003.52x = 104,884.88 × 41,548.40
  4. Step 4: Simplify right side
    76,003.52x = 4,357,799,158.47
  5. Step 5: Solve for x
    x = 4,357,799,158.47/76,003.52
  6. Step 6: Final answer
    x = 57,336.81

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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.