Home / 103,035.84-154,300.32-50,275.20

Finding the Fourth Proportional to 103,035.84, 154,300.32 and 50,275.20

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Solution

The fourth proportional to 103,035.84, 154,300.32 and 50,275.20 is: 75,289.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,035.84 : 154,300.32 = 50,275.20 : x
  2. Step 2: Convert to fraction form
    103,035.84/154,300.32 = 50,275.20/x
  3. Step 3: Cross multiply
    103,035.84x = 154,300.32 × 50,275.20
  4. Step 4: Simplify right side
    103,035.84x = 7,757,479,448.06
  5. Step 5: Solve for x
    x = 7,757,479,448.06/103,035.84
  6. Step 6: Final answer
    x = 75,289.14

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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.