Home / 75,289.58-112,737.06-52,982.18

Finding the Fourth Proportional to 75,289.58, 112,737.06 and 52,982.18

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Solution

The fourth proportional to 75,289.58, 112,737.06 and 52,982.18 is: 79,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,289.58 : 112,737.06 = 52,982.18 : x
  2. Step 2: Convert to fraction form
    75,289.58/112,737.06 = 52,982.18/x
  3. Step 3: Cross multiply
    75,289.58x = 112,737.06 × 52,982.18
  4. Step 4: Simplify right side
    75,289.58x = 5,973,055,205.59
  5. Step 5: Solve for x
    x = 5,973,055,205.59/75,289.58
  6. Step 6: Final answer
    x = 79,334.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.