Home / 35,088.10-52,619.78-10,121.42

Finding the Fourth Proportional to 35,088.10, 52,619.78 and 10,121.42

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Solution

The fourth proportional to 35,088.10, 52,619.78 and 10,121.42 is: 15,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,088.10 : 52,619.78 = 10,121.42 : x
  2. Step 2: Convert to fraction form
    35,088.10/52,619.78 = 10,121.42/x
  3. Step 3: Cross multiply
    35,088.10x = 52,619.78 × 10,121.42
  4. Step 4: Simplify right side
    35,088.10x = 532,586,893.69
  5. Step 5: Solve for x
    x = 532,586,893.69/35,088.10
  6. Step 6: Final answer
    x = 15,178.56

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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.