Home / 73,134.36-109,701.54-25,784.60

Finding the Fourth Proportional to 73,134.36, 109,701.54 and 25,784.60

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Solution

The fourth proportional to 73,134.36, 109,701.54 and 25,784.60 is: 38,676.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,134.36 : 109,701.54 = 25,784.60 : x
  2. Step 2: Convert to fraction form
    73,134.36/109,701.54 = 25,784.60/x
  3. Step 3: Cross multiply
    73,134.36x = 109,701.54 × 25,784.60
  4. Step 4: Simplify right side
    73,134.36x = 2,828,609,779.78
  5. Step 5: Solve for x
    x = 2,828,609,779.78/73,134.36
  6. Step 6: Final answer
    x = 38,676.89

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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.