Home / 93,873.24-140,722.20-31,500

Finding the Fourth Proportional to 93,873.24, 140,722.20 and 31,500

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Solution

The fourth proportional to 93,873.24, 140,722.20 and 31,500 is: 47,220.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,873.24 : 140,722.20 = 31,500 : x
  2. Step 2: Convert to fraction form
    93,873.24/140,722.20 = 31,500/x
  3. Step 3: Cross multiply
    93,873.24x = 140,722.20 × 31,500
  4. Step 4: Simplify right side
    93,873.24x = 4,432,749,300
  5. Step 5: Solve for x
    x = 4,432,749,300/93,873.24
  6. Step 6: Final answer
    x = 47,220.58

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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.