Home / 104,313.72-143,951.68-56,566.50

Finding the Fourth Proportional to 104,313.72, 143,951.68 and 56,566.50

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Solution

The fourth proportional to 104,313.72, 143,951.68 and 56,566.50 is: 78,061.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,313.72 : 143,951.68 = 56,566.50 : x
  2. Step 2: Convert to fraction form
    104,313.72/143,951.68 = 56,566.50/x
  3. Step 3: Cross multiply
    104,313.72x = 143,951.68 × 56,566.50
  4. Step 4: Simplify right side
    104,313.72x = 8,142,843,047.34
  5. Step 5: Solve for x
    x = 8,142,843,047.34/104,313.72
  6. Step 6: Final answer
    x = 78,061.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.