Home / 84,948.69-127,423.80-25,784.37

Finding the Fourth Proportional to 84,948.69, 127,423.80 and 25,784.37

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Solution

The fourth proportional to 84,948.69, 127,423.80 and 25,784.37 is: 38,676.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,948.69 : 127,423.80 = 25,784.37 : x
  2. Step 2: Convert to fraction form
    84,948.69/127,423.80 = 25,784.37/x
  3. Step 3: Cross multiply
    84,948.69x = 127,423.80 × 25,784.37
  4. Step 4: Simplify right side
    84,948.69x = 3,285,542,406.01
  5. Step 5: Solve for x
    x = 3,285,542,406.01/84,948.69
  6. Step 6: Final answer
    x = 38,676.79

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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.