Home / 70,958.06-106,434.77-28,825.68

Finding the Fourth Proportional to 70,958.06, 106,434.77 and 28,825.68

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Solution

The fourth proportional to 70,958.06, 106,434.77 and 28,825.68 is: 43,237.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,958.06 : 106,434.77 = 28,825.68 : x
  2. Step 2: Convert to fraction form
    70,958.06/106,434.77 = 28,825.68/x
  3. Step 3: Cross multiply
    70,958.06x = 106,434.77 × 28,825.68
  4. Step 4: Simplify right side
    70,958.06x = 3,068,054,476.77
  5. Step 5: Solve for x
    x = 3,068,054,476.77/70,958.06
  6. Step 6: Final answer
    x = 43,237.58

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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.