Home / 73,749.12-110,623.74-31,601.87

Finding the Fourth Proportional to 73,749.12, 110,623.74 and 31,601.87

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Solution

The fourth proportional to 73,749.12, 110,623.74 and 31,601.87 is: 47,402.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,749.12 : 110,623.74 = 31,601.87 : x
  2. Step 2: Convert to fraction form
    73,749.12/110,623.74 = 31,601.87/x
  3. Step 3: Cross multiply
    73,749.12x = 110,623.74 × 31,601.87
  4. Step 4: Simplify right side
    73,749.12x = 3,495,916,497.28
  5. Step 5: Solve for x
    x = 3,495,916,497.28/73,749.12
  6. Step 6: Final answer
    x = 47,402.82

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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.