Home / 47,655.73-71,484.21-12,595.09

Finding the Fourth Proportional to 47,655.73, 71,484.21 and 12,595.09

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Solution

The fourth proportional to 47,655.73, 71,484.21 and 12,595.09 is: 18,892.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,655.73 : 71,484.21 = 12,595.09 : x
  2. Step 2: Convert to fraction form
    47,655.73/71,484.21 = 12,595.09/x
  3. Step 3: Cross multiply
    47,655.73x = 71,484.21 × 12,595.09
  4. Step 4: Simplify right side
    47,655.73x = 900,349,638.13
  5. Step 5: Solve for x
    x = 900,349,638.13/47,655.73
  6. Step 6: Final answer
    x = 18,892.79

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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.