Home / 84,837.58-127,235.36-28,676.45

Finding the Fourth Proportional to 84,837.58, 127,235.36 and 28,676.45

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Solution

The fourth proportional to 84,837.58, 127,235.36 and 28,676.45 is: 43,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,837.58 : 127,235.36 = 28,676.45 : x
  2. Step 2: Convert to fraction form
    84,837.58/127,235.36 = 28,676.45/x
  3. Step 3: Cross multiply
    84,837.58x = 127,235.36 × 28,676.45
  4. Step 4: Simplify right side
    84,837.58x = 3,648,658,829.05
  5. Step 5: Solve for x
    x = 3,648,658,829.05/84,837.58
  6. Step 6: Final answer
    x = 43,007.58

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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.