Home / 87,606.34-120,896.91-51,814.06

Finding the Fourth Proportional to 87,606.34, 120,896.91 and 51,814.06

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Solution

The fourth proportional to 87,606.34, 120,896.91 and 51,814.06 is: 71,503.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,606.34 : 120,896.91 = 51,814.06 : x
  2. Step 2: Convert to fraction form
    87,606.34/120,896.91 = 51,814.06/x
  3. Step 3: Cross multiply
    87,606.34x = 120,896.91 × 51,814.06
  4. Step 4: Simplify right side
    87,606.34x = 6,264,159,748.55
  5. Step 5: Solve for x
    x = 6,264,159,748.55/87,606.34
  6. Step 6: Final answer
    x = 71,503.50

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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.