Home / 107,941.10-161,911.65-37,811.30

Finding the Fourth Proportional to 107,941.10, 161,911.65 and 37,811.30

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Solution

The fourth proportional to 107,941.10, 161,911.65 and 37,811.30 is: 56,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,941.10 : 161,911.65 = 37,811.30 : x
  2. Step 2: Convert to fraction form
    107,941.10/161,911.65 = 37,811.30/x
  3. Step 3: Cross multiply
    107,941.10x = 161,911.65 × 37,811.30
  4. Step 4: Simplify right side
    107,941.10x = 6,122,089,971.65
  5. Step 5: Solve for x
    x = 6,122,089,971.65/107,941.10
  6. Step 6: Final answer
    x = 56,716.95

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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.