Home / 109,420.79-164,148.68-46,241.52

Finding the Fourth Proportional to 109,420.79, 164,148.68 and 46,241.52

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Solution

The fourth proportional to 109,420.79, 164,148.68 and 46,241.52 is: 69,369.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,420.79 : 164,148.68 = 46,241.52 : x
  2. Step 2: Convert to fraction form
    109,420.79/164,148.68 = 46,241.52/x
  3. Step 3: Cross multiply
    109,420.79x = 164,148.68 × 46,241.52
  4. Step 4: Simplify right side
    109,420.79x = 7,590,484,237.99
  5. Step 5: Solve for x
    x = 7,590,484,237.99/109,420.79
  6. Step 6: Final answer
    x = 69,369.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.