Home / 106,727.22-147,289.26-61,412.10

Finding the Fourth Proportional to 106,727.22, 147,289.26 and 61,412.10

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Solution

The fourth proportional to 106,727.22, 147,289.26 and 61,412.10 is: 84,751.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,727.22 : 147,289.26 = 61,412.10 : x
  2. Step 2: Convert to fraction form
    106,727.22/147,289.26 = 61,412.10/x
  3. Step 3: Cross multiply
    106,727.22x = 147,289.26 × 61,412.10
  4. Step 4: Simplify right side
    106,727.22x = 9,045,342,764.05
  5. Step 5: Solve for x
    x = 9,045,342,764.05/106,727.22
  6. Step 6: Final answer
    x = 84,751.98

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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.