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Finding the Fourth Proportional to 65,562.44, 90,473.46 and 35,754.44

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Solution

The fourth proportional to 65,562.44, 90,473.46 and 35,754.44 is: 49,339.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,562.44 : 90,473.46 = 35,754.44 : x
  2. Step 2: Convert to fraction form
    65,562.44/90,473.46 = 35,754.44/x
  3. Step 3: Cross multiply
    65,562.44x = 90,473.46 × 35,754.44
  4. Step 4: Simplify right side
    65,562.44x = 3,234,827,897.16
  5. Step 5: Solve for x
    x = 3,234,827,897.16/65,562.44
  6. Step 6: Final answer
    x = 49,339.65

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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.