Home / 53,107.56-79,587-39,944.52

Finding the Fourth Proportional to 53,107.56, 79,587 and 39,944.52

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Solution

The fourth proportional to 53,107.56, 79,587 and 39,944.52 is: 59,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,107.56 : 79,587 = 39,944.52 : x
  2. Step 2: Convert to fraction form
    53,107.56/79,587 = 39,944.52/x
  3. Step 3: Cross multiply
    53,107.56x = 79,587 × 39,944.52
  4. Step 4: Simplify right side
    53,107.56x = 3,179,064,513.24
  5. Step 5: Solve for x
    x = 3,179,064,513.24/53,107.56
  6. Step 6: Final answer
    x = 59,860.87

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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.