Home / 65,163.36-89,925.12-35,355.36

Finding the Fourth Proportional to 65,163.36, 89,925.12 and 35,355.36

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Solution

The fourth proportional to 65,163.36, 89,925.12 and 35,355.36 is: 48,790.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,163.36 : 89,925.12 = 35,355.36 : x
  2. Step 2: Convert to fraction form
    65,163.36/89,925.12 = 35,355.36/x
  3. Step 3: Cross multiply
    65,163.36x = 89,925.12 × 35,355.36
  4. Step 4: Simplify right side
    65,163.36x = 3,179,334,990.64
  5. Step 5: Solve for x
    x = 3,179,334,990.64/65,163.36
  6. Step 6: Final answer
    x = 48,790.22

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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.