Home / 75,477.90-104,143.60-41,943.18

Finding the Fourth Proportional to 75,477.90, 104,143.60 and 41,943.18

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Solution

The fourth proportional to 75,477.90, 104,143.60 and 41,943.18 is: 57,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,477.90 : 104,143.60 = 41,943.18 : x
  2. Step 2: Convert to fraction form
    75,477.90/104,143.60 = 41,943.18/x
  3. Step 3: Cross multiply
    75,477.90x = 104,143.60 × 41,943.18
  4. Step 4: Simplify right side
    75,477.90x = 4,368,113,135.07
  5. Step 5: Solve for x
    x = 4,368,113,135.07/75,477.90
  6. Step 6: Final answer
    x = 57,872.75

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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.