Home / 70,995.15-97,973.40-39,163.98

Finding the Fourth Proportional to 70,995.15, 97,973.40 and 39,163.98

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Solution

The fourth proportional to 70,995.15, 97,973.40 and 39,163.98 is: 54,046.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,995.15 : 97,973.40 = 39,163.98 : x
  2. Step 2: Convert to fraction form
    70,995.15/97,973.40 = 39,163.98/x
  3. Step 3: Cross multiply
    70,995.15x = 97,973.40 × 39,163.98
  4. Step 4: Simplify right side
    70,995.15x = 3,837,028,278.13
  5. Step 5: Solve for x
    x = 3,837,028,278.13/70,995.15
  6. Step 6: Final answer
    x = 54,046.34

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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.