Home / 70,447.25-105,684.69-26,074.38

Finding the Fourth Proportional to 70,447.25, 105,684.69 and 26,074.38

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Solution

The fourth proportional to 70,447.25, 105,684.69 and 26,074.38 is: 39,116.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,447.25 : 105,684.69 = 26,074.38 : x
  2. Step 2: Convert to fraction form
    70,447.25/105,684.69 = 26,074.38/x
  3. Step 3: Cross multiply
    70,447.25x = 105,684.69 × 26,074.38
  4. Step 4: Simplify right side
    70,447.25x = 2,755,662,767.24
  5. Step 5: Solve for x
    x = 2,755,662,767.24/70,447.25
  6. Step 6: Final answer
    x = 39,116.69

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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.