Home / 52,789.41-72,850.19-28,916.01

Finding the Fourth Proportional to 52,789.41, 72,850.19 and 28,916.01

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Solution

The fourth proportional to 52,789.41, 72,850.19 and 28,916.01 is: 39,904.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,789.41 : 72,850.19 = 28,916.01 : x
  2. Step 2: Convert to fraction form
    52,789.41/72,850.19 = 28,916.01/x
  3. Step 3: Cross multiply
    52,789.41x = 72,850.19 × 28,916.01
  4. Step 4: Simplify right side
    52,789.41x = 2,106,536,677.96
  5. Step 5: Solve for x
    x = 2,106,536,677.96/52,789.41
  6. Step 6: Final answer
    x = 39,904.53

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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.