Home / 106,718.41-147,295.96-61,422.55

Finding the Fourth Proportional to 106,718.41, 147,295.96 and 61,422.55

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Solution

The fourth proportional to 106,718.41, 147,295.96 and 61,422.55 is: 84,777.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,718.41 : 147,295.96 = 61,422.55 : x
  2. Step 2: Convert to fraction form
    106,718.41/147,295.96 = 61,422.55/x
  3. Step 3: Cross multiply
    106,718.41x = 147,295.96 × 61,422.55
  4. Step 4: Simplify right side
    106,718.41x = 9,047,293,467.90
  5. Step 5: Solve for x
    x = 9,047,293,467.90/106,718.41
  6. Step 6: Final answer
    x = 84,777.25

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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.