Home / 71,012.21-98,069.77-58,956.37

Finding the Fourth Proportional to 71,012.21, 98,069.77 and 58,956.37

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Solution

The fourth proportional to 71,012.21, 98,069.77 and 58,956.37 is: 81,420.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,012.21 : 98,069.77 = 58,956.37 : x
  2. Step 2: Convert to fraction form
    71,012.21/98,069.77 = 58,956.37/x
  3. Step 3: Cross multiply
    71,012.21x = 98,069.77 × 58,956.37
  4. Step 4: Simplify right side
    71,012.21x = 5,781,837,474.46
  5. Step 5: Solve for x
    x = 5,781,837,474.46/71,012.21
  6. Step 6: Final answer
    x = 81,420.33

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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.