Home / 106,975.02-147,627.78-58,578.98

Finding the Fourth Proportional to 106,975.02, 147,627.78 and 58,578.98

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Solution

The fourth proportional to 106,975.02, 147,627.78 and 58,578.98 is: 80,840.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,975.02 : 147,627.78 = 58,578.98 : x
  2. Step 2: Convert to fraction form
    106,975.02/147,627.78 = 58,578.98/x
  3. Step 3: Cross multiply
    106,975.02x = 147,627.78 × 58,578.98
  4. Step 4: Simplify right side
    106,975.02x = 8,647,884,772.06
  5. Step 5: Solve for x
    x = 8,647,884,772.06/106,975.02
  6. Step 6: Final answer
    x = 80,840.23

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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.