Home / 57,237.60-78,989.94-33,360.42

Finding the Fourth Proportional to 57,237.60, 78,989.94 and 33,360.42

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Solution

The fourth proportional to 57,237.60, 78,989.94 and 33,360.42 is: 46,038.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,237.60 : 78,989.94 = 33,360.42 : x
  2. Step 2: Convert to fraction form
    57,237.60/78,989.94 = 33,360.42/x
  3. Step 3: Cross multiply
    57,237.60x = 78,989.94 × 33,360.42
  4. Step 4: Simplify right side
    57,237.60x = 2,635,137,574.17
  5. Step 5: Solve for x
    x = 2,635,137,574.17/57,237.60
  6. Step 6: Final answer
    x = 46,038.58

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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.