Home / 102,613.20-153,905.40-32,499.60

Finding the Fourth Proportional to 102,613.20, 153,905.40 and 32,499.60

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Solution

The fourth proportional to 102,613.20, 153,905.40 and 32,499.60 is: 48,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,613.20 : 153,905.40 = 32,499.60 : x
  2. Step 2: Convert to fraction form
    102,613.20/153,905.40 = 32,499.60/x
  3. Step 3: Cross multiply
    102,613.20x = 153,905.40 × 32,499.60
  4. Step 4: Simplify right side
    102,613.20x = 5,001,863,937.84
  5. Step 5: Solve for x
    x = 5,001,863,937.84/102,613.20
  6. Step 6: Final answer
    x = 48,744.84

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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.