Home / 62,420.73-93,631.14-20,867.73

Finding the Fourth Proportional to 62,420.73, 93,631.14 and 20,867.73

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Solution

The fourth proportional to 62,420.73, 93,631.14 and 20,867.73 is: 31,301.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,420.73 : 93,631.14 = 20,867.73 : x
  2. Step 2: Convert to fraction form
    62,420.73/93,631.14 = 20,867.73/x
  3. Step 3: Cross multiply
    62,420.73x = 93,631.14 × 20,867.73
  4. Step 4: Simplify right side
    62,420.73x = 1,953,869,349.11
  5. Step 5: Solve for x
    x = 1,953,869,349.11/62,420.73
  6. Step 6: Final answer
    x = 31,301.61

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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.