Home / 75,319.79-103,941.27-41,328.50

Finding the Fourth Proportional to 75,319.79, 103,941.27 and 41,328.50

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Solution

The fourth proportional to 75,319.79, 103,941.27 and 41,328.50 is: 57,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,319.79 : 103,941.27 = 41,328.50 : x
  2. Step 2: Convert to fraction form
    75,319.79/103,941.27 = 41,328.50/x
  3. Step 3: Cross multiply
    75,319.79x = 103,941.27 × 41,328.50
  4. Step 4: Simplify right side
    75,319.79x = 4,295,736,257.49
  5. Step 5: Solve for x
    x = 4,295,736,257.49/75,319.79
  6. Step 6: Final answer
    x = 57,033.30

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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.