Home / 75,445.56-104,119.20-41,911.56

Finding the Fourth Proportional to 75,445.56, 104,119.20 and 41,911.56

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Solution

The fourth proportional to 75,445.56, 104,119.20 and 41,911.56 is: 57,840.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,445.56 : 104,119.20 = 41,911.56 : x
  2. Step 2: Convert to fraction form
    75,445.56/104,119.20 = 41,911.56/x
  3. Step 3: Cross multiply
    75,445.56x = 104,119.20 × 41,911.56
  4. Step 4: Simplify right side
    75,445.56x = 4,363,798,097.95
  5. Step 5: Solve for x
    x = 4,363,798,097.95/75,445.56
  6. Step 6: Final answer
    x = 57,840.36

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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.