Home / 83,054.88-124,582.32-20,725.38

Finding the Fourth Proportional to 83,054.88, 124,582.32 and 20,725.38

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Solution

The fourth proportional to 83,054.88, 124,582.32 and 20,725.38 is: 31,088.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,054.88 : 124,582.32 = 20,725.38 : x
  2. Step 2: Convert to fraction form
    83,054.88/124,582.32 = 20,725.38/x
  3. Step 3: Cross multiply
    83,054.88x = 124,582.32 × 20,725.38
  4. Step 4: Simplify right side
    83,054.88x = 2,582,015,923.28
  5. Step 5: Solve for x
    x = 2,582,015,923.28/83,054.88
  6. Step 6: Final answer
    x = 31,088.07

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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.