Home / 102,883.86-154,329.03-35,415.18

Finding the Fourth Proportional to 102,883.86, 154,329.03 and 35,415.18

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Solution

The fourth proportional to 102,883.86, 154,329.03 and 35,415.18 is: 53,123.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,883.86 : 154,329.03 = 35,415.18 : x
  2. Step 2: Convert to fraction form
    102,883.86/154,329.03 = 35,415.18/x
  3. Step 3: Cross multiply
    102,883.86x = 154,329.03 × 35,415.18
  4. Step 4: Simplify right side
    102,883.86x = 5,465,590,376.68
  5. Step 5: Solve for x
    x = 5,465,590,376.68/102,883.86
  6. Step 6: Final answer
    x = 53,123.89

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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.