Home / 62,831.50-86,707.65-35,974.42

Finding the Fourth Proportional to 62,831.50, 86,707.65 and 35,974.42

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Solution

The fourth proportional to 62,831.50, 86,707.65 and 35,974.42 is: 49,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,831.50 : 86,707.65 = 35,974.42 : x
  2. Step 2: Convert to fraction form
    62,831.50/86,707.65 = 35,974.42/x
  3. Step 3: Cross multiply
    62,831.50x = 86,707.65 × 35,974.42
  4. Step 4: Simplify right side
    62,831.50x = 3,119,257,418.31
  5. Step 5: Solve for x
    x = 3,119,257,418.31/62,831.50
  6. Step 6: Final answer
    x = 49,644.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.