Home / 84,848.86-127,273.59-28,689.43

Finding the Fourth Proportional to 84,848.86, 127,273.59 and 28,689.43

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Solution

The fourth proportional to 84,848.86, 127,273.59 and 28,689.43 is: 43,034.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,848.86 : 127,273.59 = 28,689.43 : x
  2. Step 2: Convert to fraction form
    84,848.86/127,273.59 = 28,689.43/x
  3. Step 3: Cross multiply
    84,848.86x = 127,273.59 × 28,689.43
  4. Step 4: Simplify right side
    84,848.86x = 3,651,406,910.25
  5. Step 5: Solve for x
    x = 3,651,406,910.25/84,848.86
  6. Step 6: Final answer
    x = 43,034.25

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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.