Home / 52,526.10-78,785.82-21,360.54

Finding the Fourth Proportional to 52,526.10, 78,785.82 and 21,360.54

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Solution

The fourth proportional to 52,526.10, 78,785.82 and 21,360.54 is: 32,039.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,526.10 : 78,785.82 = 21,360.54 : x
  2. Step 2: Convert to fraction form
    52,526.10/78,785.82 = 21,360.54/x
  3. Step 3: Cross multiply
    52,526.10x = 78,785.82 × 21,360.54
  4. Step 4: Simplify right side
    52,526.10x = 1,682,907,659.54
  5. Step 5: Solve for x
    x = 1,682,907,659.54/52,526.10
  6. Step 6: Final answer
    x = 32,039.46

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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.