Home / 47,769.02-71,653.43-12,708.68

Finding the Fourth Proportional to 47,769.02, 71,653.43 and 12,708.68

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Solution

The fourth proportional to 47,769.02, 71,653.43 and 12,708.68 is: 19,062.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,769.02 : 71,653.43 = 12,708.68 : x
  2. Step 2: Convert to fraction form
    47,769.02/71,653.43 = 12,708.68/x
  3. Step 3: Cross multiply
    47,769.02x = 71,653.43 × 12,708.68
  4. Step 4: Simplify right side
    47,769.02x = 910,620,090.96
  5. Step 5: Solve for x
    x = 910,620,090.96/47,769.02
  6. Step 6: Final answer
    x = 19,062.99

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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.