Home / 75,300.16-103,909.44-41,764

Finding the Fourth Proportional to 75,300.16, 103,909.44 and 41,764

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Solution

The fourth proportional to 75,300.16, 103,909.44 and 41,764 is: 57,631.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,300.16 : 103,909.44 = 41,764 : x
  2. Step 2: Convert to fraction form
    75,300.16/103,909.44 = 41,764/x
  3. Step 3: Cross multiply
    75,300.16x = 103,909.44 × 41,764
  4. Step 4: Simplify right side
    75,300.16x = 4,339,673,852.16
  5. Step 5: Solve for x
    x = 4,339,673,852.16/75,300.16
  6. Step 6: Final answer
    x = 57,631.67

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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.