Home / 65,308.32-90,125.20-35,500.96

Finding the Fourth Proportional to 65,308.32, 90,125.20 and 35,500.96

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Solution

The fourth proportional to 65,308.32, 90,125.20 and 35,500.96 is: 48,991.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,308.32 : 90,125.20 = 35,500.96 : x
  2. Step 2: Convert to fraction form
    65,308.32/90,125.20 = 35,500.96/x
  3. Step 3: Cross multiply
    65,308.32x = 90,125.20 × 35,500.96
  4. Step 4: Simplify right side
    65,308.32x = 3,199,531,120.19
  5. Step 5: Solve for x
    x = 3,199,531,120.19/65,308.32
  6. Step 6: Final answer
    x = 48,991.17

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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.