Home / 93,811.70-140,739.95-30,631.94

Finding the Fourth Proportional to 93,811.70, 140,739.95 and 30,631.94

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Solution

The fourth proportional to 93,811.70, 140,739.95 and 30,631.94 is: 45,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,811.70 : 140,739.95 = 30,631.94 : x
  2. Step 2: Convert to fraction form
    93,811.70/140,739.95 = 30,631.94/x
  3. Step 3: Cross multiply
    93,811.70x = 140,739.95 × 30,631.94
  4. Step 4: Simplify right side
    93,811.70x = 4,311,137,604.66
  5. Step 5: Solve for x
    x = 4,311,137,604.66/93,811.70
  6. Step 6: Final answer
    x = 45,955.22

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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.