Home / 84,986.83-127,498.77-28,063.23

Finding the Fourth Proportional to 84,986.83, 127,498.77 and 28,063.23

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Solution

The fourth proportional to 84,986.83, 127,498.77 and 28,063.23 is: 42,100.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,986.83 : 127,498.77 = 28,063.23 : x
  2. Step 2: Convert to fraction form
    84,986.83/127,498.77 = 28,063.23/x
  3. Step 3: Cross multiply
    84,986.83x = 127,498.77 × 28,063.23
  4. Step 4: Simplify right side
    84,986.83x = 3,578,027,307.23
  5. Step 5: Solve for x
    x = 3,578,027,307.23/84,986.83
  6. Step 6: Final answer
    x = 42,100.96

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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.