Home / 56,543.07-78,043.46-32,684.61

Finding the Fourth Proportional to 56,543.07, 78,043.46 and 32,684.61

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Solution

The fourth proportional to 56,543.07, 78,043.46 and 32,684.61 is: 45,112.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,543.07 : 78,043.46 = 32,684.61 : x
  2. Step 2: Convert to fraction form
    56,543.07/78,043.46 = 32,684.61/x
  3. Step 3: Cross multiply
    56,543.07x = 78,043.46 × 32,684.61
  4. Step 4: Simplify right side
    56,543.07x = 2,550,819,889.73
  5. Step 5: Solve for x
    x = 2,550,819,889.73/56,543.07
  6. Step 6: Final answer
    x = 45,112.87

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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.