Home / 62,831.61-94,261.32-20,724.70

Finding the Fourth Proportional to 62,831.61, 94,261.32 and 20,724.70

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Solution

The fourth proportional to 62,831.61, 94,261.32 and 20,724.70 is: 31,091.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,831.61 : 94,261.32 = 20,724.70 : x
  2. Step 2: Convert to fraction form
    62,831.61/94,261.32 = 20,724.70/x
  3. Step 3: Cross multiply
    62,831.61x = 94,261.32 × 20,724.70
  4. Step 4: Simplify right side
    62,831.61x = 1,953,537,578.60
  5. Step 5: Solve for x
    x = 1,953,537,578.60/62,831.61
  6. Step 6: Final answer
    x = 31,091.64

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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.