Home / 58,180.50-80,289.09-31,684.50

Finding the Fourth Proportional to 58,180.50, 80,289.09 and 31,684.50

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Solution

The fourth proportional to 58,180.50, 80,289.09 and 31,684.50 is: 43,724.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,180.50 : 80,289.09 = 31,684.50 : x
  2. Step 2: Convert to fraction form
    58,180.50/80,289.09 = 31,684.50/x
  3. Step 3: Cross multiply
    58,180.50x = 80,289.09 × 31,684.50
  4. Step 4: Simplify right side
    58,180.50x = 2,543,919,672.11
  5. Step 5: Solve for x
    x = 2,543,919,672.11/58,180.50
  6. Step 6: Final answer
    x = 43,724.61

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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.