Home / 106,880.47-147,489.64-58,481.35

Finding the Fourth Proportional to 106,880.47, 147,489.64 and 58,481.35

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Solution

The fourth proportional to 106,880.47, 147,489.64 and 58,481.35 is: 80,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,880.47 : 147,489.64 = 58,481.35 : x
  2. Step 2: Convert to fraction form
    106,880.47/147,489.64 = 58,481.35/x
  3. Step 3: Cross multiply
    106,880.47x = 147,489.64 × 58,481.35
  4. Step 4: Simplify right side
    106,880.47x = 8,625,393,258.21
  5. Step 5: Solve for x
    x = 8,625,393,258.21/106,880.47
  6. Step 6: Final answer
    x = 80,701.30

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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.