Home / 97,165.62-145,622.19-43,818.42

Finding the Fourth Proportional to 97,165.62, 145,622.19 and 43,818.42

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Solution

The fourth proportional to 97,165.62, 145,622.19 and 43,818.42 is: 65,670.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,165.62 : 145,622.19 = 43,818.42 : x
  2. Step 2: Convert to fraction form
    97,165.62/145,622.19 = 43,818.42/x
  3. Step 3: Cross multiply
    97,165.62x = 145,622.19 × 43,818.42
  4. Step 4: Simplify right side
    97,165.62x = 6,380,934,282.74
  5. Step 5: Solve for x
    x = 6,380,934,282.74/97,165.62
  6. Step 6: Final answer
    x = 65,670.70

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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.