Home / 48,313.74-72,462.14-12,775.38

Finding the Fourth Proportional to 48,313.74, 72,462.14 and 12,775.38

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Solution

The fourth proportional to 48,313.74, 72,462.14 and 12,775.38 is: 19,160.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,313.74 : 72,462.14 = 12,775.38 : x
  2. Step 2: Convert to fraction form
    48,313.74/72,462.14 = 12,775.38/x
  3. Step 3: Cross multiply
    48,313.74x = 72,462.14 × 12,775.38
  4. Step 4: Simplify right side
    48,313.74x = 925,731,374.11
  5. Step 5: Solve for x
    x = 925,731,374.11/48,313.74
  6. Step 6: Final answer
    x = 19,160.83

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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.