Home / 101,873.03-140,586.33-56,553.93

Finding the Fourth Proportional to 101,873.03, 140,586.33 and 56,553.93

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Solution

The fourth proportional to 101,873.03, 140,586.33 and 56,553.93 is: 78,045.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,873.03 : 140,586.33 = 56,553.93 : x
  2. Step 2: Convert to fraction form
    101,873.03/140,586.33 = 56,553.93/x
  3. Step 3: Cross multiply
    101,873.03x = 140,586.33 × 56,553.93
  4. Step 4: Simplify right side
    101,873.03x = 7,950,709,677.85
  5. Step 5: Solve for x
    x = 7,950,709,677.85/101,873.03
  6. Step 6: Final answer
    x = 78,045.29

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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.