Home / 84,789.99-127,204.02-28,628.10

Finding the Fourth Proportional to 84,789.99, 127,204.02 and 28,628.10

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Solution

The fourth proportional to 84,789.99, 127,204.02 and 28,628.10 is: 42,948.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,789.99 : 127,204.02 = 28,628.10 : x
  2. Step 2: Convert to fraction form
    84,789.99/127,204.02 = 28,628.10/x
  3. Step 3: Cross multiply
    84,789.99x = 127,204.02 × 28,628.10
  4. Step 4: Simplify right side
    84,789.99x = 3,641,609,404.96
  5. Step 5: Solve for x
    x = 3,641,609,404.96/84,789.99
  6. Step 6: Final answer
    x = 42,948.58

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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.