Home / 89,762.11-123,870.67-52,039.87

Finding the Fourth Proportional to 89,762.11, 123,870.67 and 52,039.87

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Solution

The fourth proportional to 89,762.11, 123,870.67 and 52,039.87 is: 71,814.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,762.11 : 123,870.67 = 52,039.87 : x
  2. Step 2: Convert to fraction form
    89,762.11/123,870.67 = 52,039.87/x
  3. Step 3: Cross multiply
    89,762.11x = 123,870.67 × 52,039.87
  4. Step 4: Simplify right side
    89,762.11x = 6,446,213,563.61
  5. Step 5: Solve for x
    x = 6,446,213,563.61/89,762.11
  6. Step 6: Final answer
    x = 71,814.42

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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.