Home / 105,361.08-145,396.89-60,041.76

Finding the Fourth Proportional to 105,361.08, 145,396.89 and 60,041.76

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Solution

The fourth proportional to 105,361.08, 145,396.89 and 60,041.76 is: 82,856.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,361.08 : 145,396.89 = 60,041.76 : x
  2. Step 2: Convert to fraction form
    105,361.08/145,396.89 = 60,041.76/x
  3. Step 3: Cross multiply
    105,361.08x = 145,396.89 × 60,041.76
  4. Step 4: Simplify right side
    105,361.08x = 8,729,885,174.13
  5. Step 5: Solve for x
    x = 8,729,885,174.13/105,361.08
  6. Step 6: Final answer
    x = 82,856.83

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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.