Home / 70,540.04-105,810.87-17,949.58

Finding the Fourth Proportional to 70,540.04, 105,810.87 and 17,949.58

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Solution

The fourth proportional to 70,540.04, 105,810.87 and 17,949.58 is: 26,924.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,540.04 : 105,810.87 = 17,949.58 : x
  2. Step 2: Convert to fraction form
    70,540.04/105,810.87 = 17,949.58/x
  3. Step 3: Cross multiply
    70,540.04x = 105,810.87 × 17,949.58
  4. Step 4: Simplify right side
    70,540.04x = 1,899,260,675.93
  5. Step 5: Solve for x
    x = 1,899,260,675.93/70,540.04
  6. Step 6: Final answer
    x = 26,924.58

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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.