Home / 75,303.20-103,913.88-41,769.20

Finding the Fourth Proportional to 75,303.20, 103,913.88 and 41,769.20

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Solution

The fourth proportional to 75,303.20, 103,913.88 and 41,769.20 is: 57,638.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,303.20 : 103,913.88 = 41,769.20 : x
  2. Step 2: Convert to fraction form
    75,303.20/103,913.88 = 41,769.20/x
  3. Step 3: Cross multiply
    75,303.20x = 103,913.88 × 41,769.20
  4. Step 4: Simplify right side
    75,303.20x = 4,340,399,636.50
  5. Step 5: Solve for x
    x = 4,340,399,636.50/75,303.20
  6. Step 6: Final answer
    x = 57,638.98

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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.