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Finding the Fourth Proportional to 94,281.84, 130,112.28 and 51,843.60

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Solution

The fourth proportional to 94,281.84, 130,112.28 and 51,843.60 is: 71,546.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,281.84 : 130,112.28 = 51,843.60 : x
  2. Step 2: Convert to fraction form
    94,281.84/130,112.28 = 51,843.60/x
  3. Step 3: Cross multiply
    94,281.84x = 130,112.28 × 51,843.60
  4. Step 4: Simplify right side
    94,281.84x = 6,745,488,999.41
  5. Step 5: Solve for x
    x = 6,745,488,999.41/94,281.84
  6. Step 6: Final answer
    x = 71,546.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.