Home / 77,075.12-106,361.43-43,083.67

Finding the Fourth Proportional to 77,075.12, 106,361.43 and 43,083.67

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Solution

The fourth proportional to 77,075.12, 106,361.43 and 43,083.67 is: 59,454.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,075.12 : 106,361.43 = 43,083.67 : x
  2. Step 2: Convert to fraction form
    77,075.12/106,361.43 = 43,083.67/x
  3. Step 3: Cross multiply
    77,075.12x = 106,361.43 × 43,083.67
  4. Step 4: Simplify right side
    77,075.12x = 4,582,440,750.85
  5. Step 5: Solve for x
    x = 4,582,440,750.85/77,075.12
  6. Step 6: Final answer
    x = 59,454.21

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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.