Home / 102,099.06-153,148.77-39,769.56

Finding the Fourth Proportional to 102,099.06, 153,148.77 and 39,769.56

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Solution

The fourth proportional to 102,099.06, 153,148.77 and 39,769.56 is: 59,654.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,099.06 : 153,148.77 = 39,769.56 : x
  2. Step 2: Convert to fraction form
    102,099.06/153,148.77 = 39,769.56/x
  3. Step 3: Cross multiply
    102,099.06x = 153,148.77 × 39,769.56
  4. Step 4: Simplify right side
    102,099.06x = 6,090,659,197.44
  5. Step 5: Solve for x
    x = 6,090,659,197.44/102,099.06
  6. Step 6: Final answer
    x = 59,654.41

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1.5x scale

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.