Home / 105,055.40-144,983.30-59,737.60

Finding the Fourth Proportional to 105,055.40, 144,983.30 and 59,737.60

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Solution

The fourth proportional to 105,055.40, 144,983.30 and 59,737.60 is: 82,441.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,055.40 : 144,983.30 = 59,737.60 : x
  2. Step 2: Convert to fraction form
    105,055.40/144,983.30 = 59,737.60/x
  3. Step 3: Cross multiply
    105,055.40x = 144,983.30 × 59,737.60
  4. Step 4: Simplify right side
    105,055.40x = 8,660,954,852.66
  5. Step 5: Solve for x
    x = 8,660,954,852.66/105,055.40
  6. Step 6: Final answer
    x = 82,441.79

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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.