Home / 70,853.07-97,776.43-39,021.28

Finding the Fourth Proportional to 70,853.07, 97,776.43 and 39,021.28

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Solution

The fourth proportional to 70,853.07, 97,776.43 and 39,021.28 is: 53,848.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,853.07 : 97,776.43 = 39,021.28 : x
  2. Step 2: Convert to fraction form
    70,853.07/97,776.43 = 39,021.28/x
  3. Step 3: Cross multiply
    70,853.07x = 97,776.43 × 39,021.28
  4. Step 4: Simplify right side
    70,853.07x = 3,815,361,452.43
  5. Step 5: Solve for x
    x = 3,815,361,452.43/70,853.07
  6. Step 6: Final answer
    x = 53,848.92

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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.