Home / 93,765.20-140,632.64-34,628.72

Finding the Fourth Proportional to 93,765.20, 140,632.64 and 34,628.72

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Solution

The fourth proportional to 93,765.20, 140,632.64 and 34,628.72 is: 51,937.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,765.20 : 140,632.64 = 34,628.72 : x
  2. Step 2: Convert to fraction form
    93,765.20/140,632.64 = 34,628.72/x
  3. Step 3: Cross multiply
    93,765.20x = 140,632.64 × 34,628.72
  4. Step 4: Simplify right side
    93,765.20x = 4,869,928,313.42
  5. Step 5: Solve for x
    x = 4,869,928,313.42/93,765.20
  6. Step 6: Final answer
    x = 51,937.48

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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.