Home / 102,608.68-154,007.63-52,043.19

Finding the Fourth Proportional to 102,608.68, 154,007.63 and 52,043.19

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Solution

The fourth proportional to 102,608.68, 154,007.63 and 52,043.19 is: 78,112.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,608.68 : 154,007.63 = 52,043.19 : x
  2. Step 2: Convert to fraction form
    102,608.68/154,007.63 = 52,043.19/x
  3. Step 3: Cross multiply
    102,608.68x = 154,007.63 × 52,043.19
  4. Step 4: Simplify right side
    102,608.68x = 8,015,047,319.29
  5. Step 5: Solve for x
    x = 8,015,047,319.29/102,608.68
  6. Step 6: Final answer
    x = 78,112.77

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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.