Home / 86,951.40-130,379.04-26,963.24

Finding the Fourth Proportional to 86,951.40, 130,379.04 and 26,963.24

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Solution

The fourth proportional to 86,951.40, 130,379.04 and 26,963.24 is: 40,429.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,951.40 : 130,379.04 = 26,963.24 : x
  2. Step 2: Convert to fraction form
    86,951.40/130,379.04 = 26,963.24/x
  3. Step 3: Cross multiply
    86,951.40x = 130,379.04 × 26,963.24
  4. Step 4: Simplify right side
    86,951.40x = 3,515,441,346.49
  5. Step 5: Solve for x
    x = 3,515,441,346.49/86,951.40
  6. Step 6: Final answer
    x = 40,429.96

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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.