Home / 80,641.34-111,288.86-44,831.96

Finding the Fourth Proportional to 80,641.34, 111,288.86 and 44,831.96

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Solution

The fourth proportional to 80,641.34, 111,288.86 and 44,831.96 is: 61,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,641.34 : 111,288.86 = 44,831.96 : x
  2. Step 2: Convert to fraction form
    80,641.34/111,288.86 = 44,831.96/x
  3. Step 3: Cross multiply
    80,641.34x = 111,288.86 × 44,831.96
  4. Step 4: Simplify right side
    80,641.34x = 4,989,296,939.36
  5. Step 5: Solve for x
    x = 4,989,296,939.36/80,641.34
  6. Step 6: Final answer
    x = 61,870.21

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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.