Home / 71,711.10-107,579.57-58,501.22

Finding the Fourth Proportional to 71,711.10, 107,579.57 and 58,501.22

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Solution

The fourth proportional to 71,711.10, 107,579.57 and 58,501.22 is: 87,762.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,711.10 : 107,579.57 = 58,501.22 : x
  2. Step 2: Convert to fraction form
    71,711.10/107,579.57 = 58,501.22/x
  3. Step 3: Cross multiply
    71,711.10x = 107,579.57 × 58,501.22
  4. Step 4: Simplify right side
    71,711.10x = 6,293,535,261.67
  5. Step 5: Solve for x
    x = 6,293,535,261.67/71,711.10
  6. Step 6: Final answer
    x = 87,762.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.