Home / 106,989.22-147,643.32-59,241.54

Finding the Fourth Proportional to 106,989.22, 147,643.32 and 59,241.54

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Solution

The fourth proportional to 106,989.22, 147,643.32 and 59,241.54 is: 81,752.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,989.22 : 147,643.32 = 59,241.54 : x
  2. Step 2: Convert to fraction form
    106,989.22/147,643.32 = 59,241.54/x
  3. Step 3: Cross multiply
    106,989.22x = 147,643.32 × 59,241.54
  4. Step 4: Simplify right side
    106,989.22x = 8,746,617,351.31
  5. Step 5: Solve for x
    x = 8,746,617,351.31/106,989.22
  6. Step 6: Final answer
    x = 81,752.32

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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.