Home / 102,831.05-154,230.99-35,373.35

Finding the Fourth Proportional to 102,831.05, 154,230.99 and 35,373.35

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Solution

The fourth proportional to 102,831.05, 154,230.99 and 35,373.35 is: 53,054.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,831.05 : 154,230.99 = 35,373.35 : x
  2. Step 2: Convert to fraction form
    102,831.05/154,230.99 = 35,373.35/x
  3. Step 3: Cross multiply
    102,831.05x = 154,230.99 × 35,373.35
  4. Step 4: Simplify right side
    102,831.05x = 5,455,666,790.12
  5. Step 5: Solve for x
    x = 5,455,666,790.12/102,831.05
  6. Step 6: Final answer
    x = 53,054.66

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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.