Home / 75,022.88-103,530.40-41,030.60

Finding the Fourth Proportional to 75,022.88, 103,530.40 and 41,030.60

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Solution

The fourth proportional to 75,022.88, 103,530.40 and 41,030.60 is: 56,621.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,022.88 : 103,530.40 = 41,030.60 : x
  2. Step 2: Convert to fraction form
    75,022.88/103,530.40 = 41,030.60/x
  3. Step 3: Cross multiply
    75,022.88x = 103,530.40 × 41,030.60
  4. Step 4: Simplify right side
    75,022.88x = 4,247,914,430.24
  5. Step 5: Solve for x
    x = 4,247,914,430.24/75,022.88
  6. Step 6: Final answer
    x = 56,621.59

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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.