Home / 49,058.87-67,700.48-28,916.60

Finding the Fourth Proportional to 49,058.87, 67,700.48 and 28,916.60

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Solution

The fourth proportional to 49,058.87, 67,700.48 and 28,916.60 is: 39,904.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,058.87 : 67,700.48 = 28,916.60 : x
  2. Step 2: Convert to fraction form
    49,058.87/67,700.48 = 28,916.60/x
  3. Step 3: Cross multiply
    49,058.87x = 67,700.48 × 28,916.60
  4. Step 4: Simplify right side
    49,058.87x = 1,957,667,216.88
  5. Step 5: Solve for x
    x = 1,957,667,216.88/49,058.87
  6. Step 6: Final answer
    x = 39,904.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.