Home / 83,185.07-124,775.78-35,831.66

Finding the Fourth Proportional to 83,185.07, 124,775.78 and 35,831.66

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Solution

The fourth proportional to 83,185.07, 124,775.78 and 35,831.66 is: 53,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,185.07 : 124,775.78 = 35,831.66 : x
  2. Step 2: Convert to fraction form
    83,185.07/124,775.78 = 35,831.66/x
  3. Step 3: Cross multiply
    83,185.07x = 124,775.78 × 35,831.66
  4. Step 4: Simplify right side
    83,185.07x = 4,470,922,522.16
  5. Step 5: Solve for x
    x = 4,470,922,522.16/83,185.07
  6. Step 6: Final answer
    x = 53,746.70

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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.