Home / 53,691.81-74,104.34-31,027.67

Finding the Fourth Proportional to 53,691.81, 74,104.34 and 31,027.67

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Solution

The fourth proportional to 53,691.81, 74,104.34 and 31,027.67 is: 42,823.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,691.81 : 74,104.34 = 31,027.67 : x
  2. Step 2: Convert to fraction form
    53,691.81/74,104.34 = 31,027.67/x
  3. Step 3: Cross multiply
    53,691.81x = 74,104.34 × 31,027.67
  4. Step 4: Simplify right side
    53,691.81x = 2,299,285,007.09
  5. Step 5: Solve for x
    x = 2,299,285,007.09/53,691.81
  6. Step 6: Final answer
    x = 42,823.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.