Home / 102,993.75-154,574.43-53,088.12

Finding the Fourth Proportional to 102,993.75, 154,574.43 and 53,088.12

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Solution

The fourth proportional to 102,993.75, 154,574.43 and 53,088.12 is: 79,675.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,993.75 : 154,574.43 = 53,088.12 : x
  2. Step 2: Convert to fraction form
    102,993.75/154,574.43 = 53,088.12/x
  3. Step 3: Cross multiply
    102,993.75x = 154,574.43 × 53,088.12
  4. Step 4: Simplify right side
    102,993.75x = 8,206,065,888.77
  5. Step 5: Solve for x
    x = 8,206,065,888.77/102,993.75
  6. Step 6: Final answer
    x = 79,675.38

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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.