Home / 93,811.68-140,731.92-31,467.60

Finding the Fourth Proportional to 93,811.68, 140,731.92 and 31,467.60

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Solution

The fourth proportional to 93,811.68, 140,731.92 and 31,467.60 is: 47,206.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,811.68 : 140,731.92 = 31,467.60 : x
  2. Step 2: Convert to fraction form
    93,811.68/140,731.92 = 31,467.60/x
  3. Step 3: Cross multiply
    93,811.68x = 140,731.92 × 31,467.60
  4. Step 4: Simplify right side
    93,811.68x = 4,428,495,765.79
  5. Step 5: Solve for x
    x = 4,428,495,765.79/93,811.68
  6. Step 6: Final answer
    x = 47,206.23

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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.