Home / 70,815.82-97,725.84-38,984.48

Finding the Fourth Proportional to 70,815.82, 97,725.84 and 38,984.48

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Solution

The fourth proportional to 70,815.82, 97,725.84 and 38,984.48 is: 53,798.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,815.82 : 97,725.84 = 38,984.48 : x
  2. Step 2: Convert to fraction form
    70,815.82/97,725.84 = 38,984.48/x
  3. Step 3: Cross multiply
    70,815.82x = 97,725.84 × 38,984.48
  4. Step 4: Simplify right side
    70,815.82x = 3,809,791,054.96
  5. Step 5: Solve for x
    x = 3,809,791,054.96/70,815.82
  6. Step 6: Final answer
    x = 53,798.59

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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.