Home / 70,629.12-105,943.64-26,267.04

Finding the Fourth Proportional to 70,629.12, 105,943.64 and 26,267.04

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Solution

The fourth proportional to 70,629.12, 105,943.64 and 26,267.04 is: 39,400.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,629.12 : 105,943.64 = 26,267.04 : x
  2. Step 2: Convert to fraction form
    70,629.12/105,943.64 = 26,267.04/x
  3. Step 3: Cross multiply
    70,629.12x = 105,943.64 × 26,267.04
  4. Step 4: Simplify right side
    70,629.12x = 2,782,825,698.29
  5. Step 5: Solve for x
    x = 2,782,825,698.29/70,629.12
  6. Step 6: Final answer
    x = 39,400.54

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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.