Home / 75,131.04-103,683.32-41,140.96

Finding the Fourth Proportional to 75,131.04, 103,683.32 and 41,140.96

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Solution

The fourth proportional to 75,131.04, 103,683.32 and 41,140.96 is: 56,775.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,131.04 : 103,683.32 = 41,140.96 : x
  2. Step 2: Convert to fraction form
    75,131.04/103,683.32 = 41,140.96/x
  3. Step 3: Cross multiply
    75,131.04x = 103,683.32 × 41,140.96
  4. Step 4: Simplify right side
    75,131.04x = 4,265,631,477.66
  5. Step 5: Solve for x
    x = 4,265,631,477.66/75,131.04
  6. Step 6: Final answer
    x = 56,775.88

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1.5x scale

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.