Home / 71,161.18-98,201.46-40,946.74

Finding the Fourth Proportional to 71,161.18, 98,201.46 and 40,946.74

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Solution

The fourth proportional to 71,161.18, 98,201.46 and 40,946.74 is: 56,505.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,161.18 : 98,201.46 = 40,946.74 : x
  2. Step 2: Convert to fraction form
    71,161.18/98,201.46 = 40,946.74/x
  3. Step 3: Cross multiply
    71,161.18x = 98,201.46 × 40,946.74
  4. Step 4: Simplify right side
    71,161.18x = 4,021,029,650.24
  5. Step 5: Solve for x
    x = 4,021,029,650.24/71,161.18
  6. Step 6: Final answer
    x = 56,505.94

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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.