Home / 105,361.44-145,397.84-60,041.28

Finding the Fourth Proportional to 105,361.44, 145,397.84 and 60,041.28

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Solution

The fourth proportional to 105,361.44, 145,397.84 and 60,041.28 is: 82,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,361.44 : 145,397.84 = 60,041.28 : x
  2. Step 2: Convert to fraction form
    105,361.44/145,397.84 = 60,041.28/x
  3. Step 3: Cross multiply
    105,361.44x = 145,397.84 × 60,041.28
  4. Step 4: Simplify right side
    105,361.44x = 8,729,872,422.84
  5. Step 5: Solve for x
    x = 8,729,872,422.84/105,361.44
  6. Step 6: Final answer
    x = 82,856.43

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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.