Home / 105,567.78-158,357.10-26,682.68

Finding the Fourth Proportional to 105,567.78, 158,357.10 and 26,682.68

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Solution

The fourth proportional to 105,567.78, 158,357.10 and 26,682.68 is: 40,025.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,567.78 : 158,357.10 = 26,682.68 : x
  2. Step 2: Convert to fraction form
    105,567.78/158,357.10 = 26,682.68/x
  3. Step 3: Cross multiply
    105,567.78x = 158,357.10 × 26,682.68
  4. Step 4: Simplify right side
    105,567.78x = 4,225,391,825.03
  5. Step 5: Solve for x
    x = 4,225,391,825.03/105,567.78
  6. Step 6: Final answer
    x = 40,025.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.