Home / 57,225.08-78,970.78-31,733.24

Finding the Fourth Proportional to 57,225.08, 78,970.78 and 31,733.24

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Solution

The fourth proportional to 57,225.08, 78,970.78 and 31,733.24 is: 43,791.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,225.08 : 78,970.78 = 31,733.24 : x
  2. Step 2: Convert to fraction form
    57,225.08/78,970.78 = 31,733.24/x
  3. Step 3: Cross multiply
    57,225.08x = 78,970.78 × 31,733.24
  4. Step 4: Simplify right side
    57,225.08x = 2,505,998,161.21
  5. Step 5: Solve for x
    x = 2,505,998,161.21/57,225.08
  6. Step 6: Final answer
    x = 43,791.96

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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.