Home / 57,862.48-86,653.56-40,043.21

Finding the Fourth Proportional to 57,862.48, 86,653.56 and 40,043.21

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Solution

The fourth proportional to 57,862.48, 86,653.56 and 40,043.21 is: 59,967.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,862.48 : 86,653.56 = 40,043.21 : x
  2. Step 2: Convert to fraction form
    57,862.48/86,653.56 = 40,043.21/x
  3. Step 3: Cross multiply
    57,862.48x = 86,653.56 × 40,043.21
  4. Step 4: Simplify right side
    57,862.48x = 3,469,886,267.06
  5. Step 5: Solve for x
    x = 3,469,886,267.06/57,862.48
  6. Step 6: Final answer
    x = 59,967.81

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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.