Home / 93,861.72-140,804.33-30,688.20

Finding the Fourth Proportional to 93,861.72, 140,804.33 and 30,688.20

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Solution

The fourth proportional to 93,861.72, 140,804.33 and 30,688.20 is: 46,036.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,861.72 : 140,804.33 = 30,688.20 : x
  2. Step 2: Convert to fraction form
    93,861.72/140,804.33 = 30,688.20/x
  3. Step 3: Cross multiply
    93,861.72x = 140,804.33 × 30,688.20
  4. Step 4: Simplify right side
    93,861.72x = 4,321,031,286.47
  5. Step 5: Solve for x
    x = 4,321,031,286.47/93,861.72
  6. Step 6: Final answer
    x = 46,036.14

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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.