Home / 42,555.24-63,889.40-36,355.09

Finding the Fourth Proportional to 42,555.24, 63,889.40 and 36,355.09

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Solution

The fourth proportional to 42,555.24, 63,889.40 and 36,355.09 is: 54,580.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,555.24 : 63,889.40 = 36,355.09 : x
  2. Step 2: Convert to fraction form
    42,555.24/63,889.40 = 36,355.09/x
  3. Step 3: Cross multiply
    42,555.24x = 63,889.40 × 36,355.09
  4. Step 4: Simplify right side
    42,555.24x = 2,322,704,887.05
  5. Step 5: Solve for x
    x = 2,322,704,887.05/42,555.24
  6. Step 6: Final answer
    x = 54,580.94

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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.