Home / 70,455.04-105,694.20-34,918.02

Finding the Fourth Proportional to 70,455.04, 105,694.20 and 34,918.02

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Solution

The fourth proportional to 70,455.04, 105,694.20 and 34,918.02 is: 52,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,455.04 : 105,694.20 = 34,918.02 : x
  2. Step 2: Convert to fraction form
    70,455.04/105,694.20 = 34,918.02/x
  3. Step 3: Cross multiply
    70,455.04x = 105,694.20 × 34,918.02
  4. Step 4: Simplify right side
    70,455.04x = 3,690,632,189.48
  5. Step 5: Solve for x
    x = 3,690,632,189.48/70,455.04
  6. Step 6: Final answer
    x = 52,382.80

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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.