Home / 84,315.58-126,535.74-39,942.46

Finding the Fourth Proportional to 84,315.58, 126,535.74 and 39,942.46

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Solution

The fourth proportional to 84,315.58, 126,535.74 and 39,942.46 is: 59,943.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,315.58 : 126,535.74 = 39,942.46 : x
  2. Step 2: Convert to fraction form
    84,315.58/126,535.74 = 39,942.46/x
  3. Step 3: Cross multiply
    84,315.58x = 126,535.74 × 39,942.46
  4. Step 4: Simplify right side
    84,315.58x = 5,054,148,733.52
  5. Step 5: Solve for x
    x = 5,054,148,733.52/84,315.58
  6. Step 6: Final answer
    x = 59,943.24

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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.