Home / 84,009.33-125,999.42-28,605.33

Finding the Fourth Proportional to 84,009.33, 125,999.42 and 28,605.33

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Solution

The fourth proportional to 84,009.33, 125,999.42 and 28,605.33 is: 42,903.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,009.33 : 125,999.42 = 28,605.33 : x
  2. Step 2: Convert to fraction form
    84,009.33/125,999.42 = 28,605.33/x
  3. Step 3: Cross multiply
    84,009.33x = 125,999.42 × 28,605.33
  4. Step 4: Simplify right side
    84,009.33x = 3,604,254,845.88
  5. Step 5: Solve for x
    x = 3,604,254,845.88/84,009.33
  6. Step 6: Final answer
    x = 42,903.03

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1.5x scale

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.