Home / 83,161.50-114,762.87-45,436.02

Finding the Fourth Proportional to 83,161.50, 114,762.87 and 45,436.02

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Solution

The fourth proportional to 83,161.50, 114,762.87 and 45,436.02 is: 62,701.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,161.50 : 114,762.87 = 45,436.02 : x
  2. Step 2: Convert to fraction form
    83,161.50/114,762.87 = 45,436.02/x
  3. Step 3: Cross multiply
    83,161.50x = 114,762.87 × 45,436.02
  4. Step 4: Simplify right side
    83,161.50x = 5,214,368,056.58
  5. Step 5: Solve for x
    x = 5,214,368,056.58/83,161.50
  6. Step 6: Final answer
    x = 62,701.71

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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.