Home / 57,193.58-78,858.50-49,222.10

Finding the Fourth Proportional to 57,193.58, 78,858.50 and 49,222.10

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Solution

The fourth proportional to 57,193.58, 78,858.50 and 49,222.10 is: 67,867.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,193.58 : 78,858.50 = 49,222.10 : x
  2. Step 2: Convert to fraction form
    57,193.58/78,858.50 = 49,222.10/x
  3. Step 3: Cross multiply
    57,193.58x = 78,858.50 × 49,222.10
  4. Step 4: Simplify right side
    57,193.58x = 3,881,580,972.85
  5. Step 5: Solve for x
    x = 3,881,580,972.85/57,193.58
  6. Step 6: Final answer
    x = 67,867.42

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1.5x scale

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.