Home / 70,848.75-97,771.41-39,020.61

Finding the Fourth Proportional to 70,848.75, 97,771.41 and 39,020.61

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Solution

The fourth proportional to 70,848.75, 97,771.41 and 39,020.61 is: 53,848.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,848.75 : 97,771.41 = 39,020.61 : x
  2. Step 2: Convert to fraction form
    70,848.75/97,771.41 = 39,020.61/x
  3. Step 3: Cross multiply
    70,848.75x = 97,771.41 × 39,020.61
  4. Step 4: Simplify right side
    70,848.75x = 3,815,100,058.76
  5. Step 5: Solve for x
    x = 3,815,100,058.76/70,848.75
  6. Step 6: Final answer
    x = 53,848.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.