Home / 77,047.74-106,315.43-43,051.95

Finding the Fourth Proportional to 77,047.74, 106,315.43 and 43,051.95

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Solution

The fourth proportional to 77,047.74, 106,315.43 and 43,051.95 is: 59,405.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,047.74 : 106,315.43 = 43,051.95 : x
  2. Step 2: Convert to fraction form
    77,047.74/106,315.43 = 43,051.95/x
  3. Step 3: Cross multiply
    77,047.74x = 106,315.43 × 43,051.95
  4. Step 4: Simplify right side
    77,047.74x = 4,577,086,361.33
  5. Step 5: Solve for x
    x = 4,577,086,361.33/77,047.74
  6. Step 6: Final answer
    x = 59,405.85

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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.