Home / 84,271.04-126,443.44-39,929.44

Finding the Fourth Proportional to 84,271.04, 126,443.44 and 39,929.44

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Solution

The fourth proportional to 84,271.04, 126,443.44 and 39,929.44 is: 59,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,271.04 : 126,443.44 = 39,929.44 : x
  2. Step 2: Convert to fraction form
    84,271.04/126,443.44 = 39,929.44/x
  3. Step 3: Cross multiply
    84,271.04x = 126,443.44 × 39,929.44
  4. Step 4: Simplify right side
    84,271.04x = 5,048,815,750.87
  5. Step 5: Solve for x
    x = 5,048,815,750.87/84,271.04
  6. Step 6: Final answer
    x = 59,911.63

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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.