Home / 109,474.03-150,944.73-77,213.95

Finding the Fourth Proportional to 109,474.03, 150,944.73 and 77,213.95

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Solution

The fourth proportional to 109,474.03, 150,944.73 and 77,213.95 is: 106,463.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,474.03 : 150,944.73 = 77,213.95 : x
  2. Step 2: Convert to fraction form
    109,474.03/150,944.73 = 77,213.95/x
  3. Step 3: Cross multiply
    109,474.03x = 150,944.73 × 77,213.95
  4. Step 4: Simplify right side
    109,474.03x = 11,655,038,834.98
  5. Step 5: Solve for x
    x = 11,655,038,834.98/109,474.03
  6. Step 6: Final answer
    x = 106,463.96

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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.