Home / 65,222.01-97,848.20-20,845.35

Finding the Fourth Proportional to 65,222.01, 97,848.20 and 20,845.35

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Solution

The fourth proportional to 65,222.01, 97,848.20 and 20,845.35 is: 31,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,222.01 : 97,848.20 = 20,845.35 : x
  2. Step 2: Convert to fraction form
    65,222.01/97,848.20 = 20,845.35/x
  3. Step 3: Cross multiply
    65,222.01x = 97,848.20 × 20,845.35
  4. Step 4: Simplify right side
    65,222.01x = 2,039,680,027.98
  5. Step 5: Solve for x
    x = 2,039,680,027.98/65,222.01
  6. Step 6: Final answer
    x = 31,272.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.