Home / 48,831.48-73,116-40,170.96

Finding the Fourth Proportional to 48,831.48, 73,116 and 40,170.96

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Solution

The fourth proportional to 48,831.48, 73,116 and 40,170.96 is: 60,148.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,831.48 : 73,116 = 40,170.96 : x
  2. Step 2: Convert to fraction form
    48,831.48/73,116 = 40,170.96/x
  3. Step 3: Cross multiply
    48,831.48x = 73,116 × 40,170.96
  4. Step 4: Simplify right side
    48,831.48x = 2,937,139,911.36
  5. Step 5: Solve for x
    x = 2,937,139,911.36/48,831.48
  6. Step 6: Final answer
    x = 60,148.49

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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.