Home / 57,176.58-78,911.52-33,310.74

Finding the Fourth Proportional to 57,176.58, 78,911.52 and 33,310.74

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Solution

The fourth proportional to 57,176.58, 78,911.52 and 33,310.74 is: 45,973.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,176.58 : 78,911.52 = 33,310.74 : x
  2. Step 2: Convert to fraction form
    57,176.58/78,911.52 = 33,310.74/x
  3. Step 3: Cross multiply
    57,176.58x = 78,911.52 × 33,310.74
  4. Step 4: Simplify right side
    57,176.58x = 2,628,601,125.72
  5. Step 5: Solve for x
    x = 2,628,601,125.72/57,176.58
  6. Step 6: Final answer
    x = 45,973.39

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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.