Home / 70,278.03-105,385.35-34,725.48

Finding the Fourth Proportional to 70,278.03, 105,385.35 and 34,725.48

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Solution

The fourth proportional to 70,278.03, 105,385.35 and 34,725.48 is: 52,072.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,278.03 : 105,385.35 = 34,725.48 : x
  2. Step 2: Convert to fraction form
    70,278.03/105,385.35 = 34,725.48/x
  3. Step 3: Cross multiply
    70,278.03x = 105,385.35 × 34,725.48
  4. Step 4: Simplify right side
    70,278.03x = 3,659,556,379.00
  5. Step 5: Solve for x
    x = 3,659,556,379.00/70,278.03
  6. Step 6: Final answer
    x = 52,072.55

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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.