Home / 57,113.82-78,845.67-35,904.78

Finding the Fourth Proportional to 57,113.82, 78,845.67 and 35,904.78

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Solution

The fourth proportional to 57,113.82, 78,845.67 and 35,904.78 is: 49,566.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,113.82 : 78,845.67 = 35,904.78 : x
  2. Step 2: Convert to fraction form
    57,113.82/78,845.67 = 35,904.78/x
  3. Step 3: Cross multiply
    57,113.82x = 78,845.67 × 35,904.78
  4. Step 4: Simplify right side
    57,113.82x = 2,830,936,435.30
  5. Step 5: Solve for x
    x = 2,830,936,435.30/57,113.82
  6. Step 6: Final answer
    x = 49,566.57

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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.