Home / 70,944.14-97,907.32-39,112.98

Finding the Fourth Proportional to 70,944.14, 97,907.32 and 39,112.98

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Solution

The fourth proportional to 70,944.14, 97,907.32 and 39,112.98 is: 53,978.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,944.14 : 97,907.32 = 39,112.98 : x
  2. Step 2: Convert to fraction form
    70,944.14/97,907.32 = 39,112.98/x
  3. Step 3: Cross multiply
    70,944.14x = 97,907.32 × 39,112.98
  4. Step 4: Simplify right side
    70,944.14x = 3,829,447,049.01
  5. Step 5: Solve for x
    x = 3,829,447,049.01/70,944.14
  6. Step 6: Final answer
    x = 53,978.34

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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.