Home / 57,053.25-78,706.96-36,916.63

Finding the Fourth Proportional to 57,053.25, 78,706.96 and 36,916.63

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Solution

The fourth proportional to 57,053.25, 78,706.96 and 36,916.63 is: 50,927.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,053.25 : 78,706.96 = 36,916.63 : x
  2. Step 2: Convert to fraction form
    57,053.25/78,706.96 = 36,916.63/x
  3. Step 3: Cross multiply
    57,053.25x = 78,706.96 × 36,916.63
  4. Step 4: Simplify right side
    57,053.25x = 2,905,595,327.21
  5. Step 5: Solve for x
    x = 2,905,595,327.21/57,053.25
  6. Step 6: Final answer
    x = 50,927.78

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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.