Home / 104,320.67-143,961.26-56,573.45

Finding the Fourth Proportional to 104,320.67, 143,961.26 and 56,573.45

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Solution

The fourth proportional to 104,320.67, 143,961.26 and 56,573.45 is: 78,070.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,320.67 : 143,961.26 = 56,573.45 : x
  2. Step 2: Convert to fraction form
    104,320.67/143,961.26 = 56,573.45/x
  3. Step 3: Cross multiply
    104,320.67x = 143,961.26 × 56,573.45
  4. Step 4: Simplify right side
    104,320.67x = 8,144,384,141.87
  5. Step 5: Solve for x
    x = 8,144,384,141.87/104,320.67
  6. Step 6: Final answer
    x = 78,070.67

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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.