Home / 83,255.41-124,872.74-49,080.81

Finding the Fourth Proportional to 83,255.41, 124,872.74 and 49,080.81

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Solution

The fourth proportional to 83,255.41, 124,872.74 and 49,080.81 is: 73,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,255.41 : 124,872.74 = 49,080.81 : x
  2. Step 2: Convert to fraction form
    83,255.41/124,872.74 = 49,080.81/x
  3. Step 3: Cross multiply
    83,255.41x = 124,872.74 × 49,080.81
  4. Step 4: Simplify right side
    83,255.41x = 6,128,855,226.12
  5. Step 5: Solve for x
    x = 6,128,855,226.12/83,255.41
  6. Step 6: Final answer
    x = 73,615.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.