Home / 70,963.24-97,922.10-39,131.32

Finding the Fourth Proportional to 70,963.24, 97,922.10 and 39,131.32

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Solution

The fourth proportional to 70,963.24, 97,922.10 and 39,131.32 is: 53,997.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,963.24 : 97,922.10 = 39,131.32 : x
  2. Step 2: Convert to fraction form
    70,963.24/97,922.10 = 39,131.32/x
  3. Step 3: Cross multiply
    70,963.24x = 97,922.10 × 39,131.32
  4. Step 4: Simplify right side
    70,963.24x = 3,831,821,030.17
  5. Step 5: Solve for x
    x = 3,831,821,030.17/70,963.24
  6. Step 6: Final answer
    x = 53,997.27

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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.