Home / 106,960.68-147,621.15-61,629.98

Finding the Fourth Proportional to 106,960.68, 147,621.15 and 61,629.98

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Solution

The fourth proportional to 106,960.68, 147,621.15 and 61,629.98 is: 85,058.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,960.68 : 147,621.15 = 61,629.98 : x
  2. Step 2: Convert to fraction form
    106,960.68/147,621.15 = 61,629.98/x
  3. Step 3: Cross multiply
    106,960.68x = 147,621.15 × 61,629.98
  4. Step 4: Simplify right side
    106,960.68x = 9,097,887,783.97
  5. Step 5: Solve for x
    x = 9,097,887,783.97/106,960.68
  6. Step 6: Final answer
    x = 85,058.25

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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.