Home / 65,306.32-90,122.44-35,498.96

Finding the Fourth Proportional to 65,306.32, 90,122.44 and 35,498.96

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Solution

The fourth proportional to 65,306.32, 90,122.44 and 35,498.96 is: 48,988.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,306.32 : 90,122.44 = 35,498.96 : x
  2. Step 2: Convert to fraction form
    65,306.32/90,122.44 = 35,498.96/x
  3. Step 3: Cross multiply
    65,306.32x = 90,122.44 × 35,498.96
  4. Step 4: Simplify right side
    65,306.32x = 3,199,252,892.66
  5. Step 5: Solve for x
    x = 3,199,252,892.66/65,306.32
  6. Step 6: Final answer
    x = 48,988.41

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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.