Home / 84,710.44-127,077.34-28,566.58

Finding the Fourth Proportional to 84,710.44, 127,077.34 and 28,566.58

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Solution

The fourth proportional to 84,710.44, 127,077.34 and 28,566.58 is: 42,853.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,710.44 : 127,077.34 = 28,566.58 : x
  2. Step 2: Convert to fraction form
    84,710.44/127,077.34 = 28,566.58/x
  3. Step 3: Cross multiply
    84,710.44x = 127,077.34 × 28,566.58
  4. Step 4: Simplify right side
    84,710.44x = 3,630,164,999.30
  5. Step 5: Solve for x
    x = 3,630,164,999.30/84,710.44
  6. Step 6: Final answer
    x = 42,853.81

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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.