Home / 83,055.44-124,583.63-20,725.94

Finding the Fourth Proportional to 83,055.44, 124,583.63 and 20,725.94

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Solution

The fourth proportional to 83,055.44, 124,583.63 and 20,725.94 is: 31,089.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,055.44 : 124,583.63 = 20,725.94 : x
  2. Step 2: Convert to fraction form
    83,055.44/124,583.63 = 20,725.94/x
  3. Step 3: Cross multiply
    83,055.44x = 124,583.63 × 20,725.94
  4. Step 4: Simplify right side
    83,055.44x = 2,582,112,113.81
  5. Step 5: Solve for x
    x = 2,582,112,113.81/83,055.44
  6. Step 6: Final answer
    x = 31,089.02

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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.