Home / 70,662.12-105,993.32-17,354.13

Finding the Fourth Proportional to 70,662.12, 105,993.32 and 17,354.13

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Solution

The fourth proportional to 70,662.12, 105,993.32 and 17,354.13 is: 26,031.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,662.12 : 105,993.32 = 17,354.13 : x
  2. Step 2: Convert to fraction form
    70,662.12/105,993.32 = 17,354.13/x
  3. Step 3: Cross multiply
    70,662.12x = 105,993.32 × 17,354.13
  4. Step 4: Simplify right side
    70,662.12x = 1,839,421,767.64
  5. Step 5: Solve for x
    x = 1,839,421,767.64/70,662.12
  6. Step 6: Final answer
    x = 26,031.23

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1.5x scale

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.