Home / 35,493.18-53,128.99-26,143.75

Finding the Fourth Proportional to 35,493.18, 53,128.99 and 26,143.75

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Solution

The fourth proportional to 35,493.18, 53,128.99 and 26,143.75 is: 39,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,493.18 : 53,128.99 = 26,143.75 : x
  2. Step 2: Convert to fraction form
    35,493.18/53,128.99 = 26,143.75/x
  3. Step 3: Cross multiply
    35,493.18x = 53,128.99 × 26,143.75
  4. Step 4: Simplify right side
    35,493.18x = 1,388,991,032.31
  5. Step 5: Solve for x
    x = 1,388,991,032.31/35,493.18
  6. Step 6: Final answer
    x = 39,134.03

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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.