Home / 84,004.20-125,962.54-39,619.03

Finding the Fourth Proportional to 84,004.20, 125,962.54 and 39,619.03

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Solution

The fourth proportional to 84,004.20, 125,962.54 and 39,619.03 is: 59,407.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,004.20 : 125,962.54 = 39,619.03 : x
  2. Step 2: Convert to fraction form
    84,004.20/125,962.54 = 39,619.03/x
  3. Step 3: Cross multiply
    84,004.20x = 125,962.54 × 39,619.03
  4. Step 4: Simplify right side
    84,004.20x = 4,990,513,651.14
  5. Step 5: Solve for x
    x = 4,990,513,651.14/84,004.20
  6. Step 6: Final answer
    x = 59,407.91

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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.