Home / 83,831.19-125,762.31-27,675.21

Finding the Fourth Proportional to 83,831.19, 125,762.31 and 27,675.21

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Solution

The fourth proportional to 83,831.19, 125,762.31 and 27,675.21 is: 41,517.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,831.19 : 125,762.31 = 27,675.21 : x
  2. Step 2: Convert to fraction form
    83,831.19/125,762.31 = 27,675.21/x
  3. Step 3: Cross multiply
    83,831.19x = 125,762.31 × 27,675.21
  4. Step 4: Simplify right side
    83,831.19x = 3,480,498,339.34
  5. Step 5: Solve for x
    x = 3,480,498,339.34/83,831.19
  6. Step 6: Final answer
    x = 41,517.94

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1.5x scale

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.