Home / 84,261.82-126,415.82-36,868.32

Finding the Fourth Proportional to 84,261.82, 126,415.82 and 36,868.32

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Solution

The fourth proportional to 84,261.82, 126,415.82 and 36,868.32 is: 55,312.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,261.82 : 126,415.82 = 36,868.32 : x
  2. Step 2: Convert to fraction form
    84,261.82/126,415.82 = 36,868.32/x
  3. Step 3: Cross multiply
    84,261.82x = 126,415.82 × 36,868.32
  4. Step 4: Simplify right side
    84,261.82x = 4,660,738,904.82
  5. Step 5: Solve for x
    x = 4,660,738,904.82/84,261.82
  6. Step 6: Final answer
    x = 55,312.58

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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.