Home / 106,568.19-147,069-61,260.84

Finding the Fourth Proportional to 106,568.19, 147,069 and 61,260.84

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Solution

The fourth proportional to 106,568.19, 147,069 and 61,260.84 is: 84,542.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,568.19 : 147,069 = 61,260.84 : x
  2. Step 2: Convert to fraction form
    106,568.19/147,069 = 61,260.84/x
  3. Step 3: Cross multiply
    106,568.19x = 147,069 × 61,260.84
  4. Step 4: Simplify right side
    106,568.19x = 9,009,570,477.96
  5. Step 5: Solve for x
    x = 9,009,570,477.96/106,568.19
  6. Step 6: Final answer
    x = 84,542.77

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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.