Home / 56,766.42-78,338.25-35,558.16

Finding the Fourth Proportional to 56,766.42, 78,338.25 and 35,558.16

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Solution

The fourth proportional to 56,766.42, 78,338.25 and 35,558.16 is: 49,070.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,766.42 : 78,338.25 = 35,558.16 : x
  2. Step 2: Convert to fraction form
    56,766.42/78,338.25 = 35,558.16/x
  3. Step 3: Cross multiply
    56,766.42x = 78,338.25 × 35,558.16
  4. Step 4: Simplify right side
    56,766.42x = 2,785,564,027.62
  5. Step 5: Solve for x
    x = 2,785,564,027.62/56,766.42
  6. Step 6: Final answer
    x = 49,070.63

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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.