Home / 35,812.05-53,684.69-12,103.02

Finding the Fourth Proportional to 35,812.05, 53,684.69 and 12,103.02

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Solution

The fourth proportional to 35,812.05, 53,684.69 and 12,103.02 is: 18,143.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,812.05 : 53,684.69 = 12,103.02 : x
  2. Step 2: Convert to fraction form
    35,812.05/53,684.69 = 12,103.02/x
  3. Step 3: Cross multiply
    35,812.05x = 53,684.69 × 12,103.02
  4. Step 4: Simplify right side
    35,812.05x = 649,746,876.76
  5. Step 5: Solve for x
    x = 649,746,876.76/35,812.05
  6. Step 6: Final answer
    x = 18,143.25

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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.