Home / 104,376.13-156,592.44-74,428.20

Finding the Fourth Proportional to 104,376.13, 156,592.44 and 74,428.20

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Solution

The fourth proportional to 104,376.13, 156,592.44 and 74,428.20 is: 111,662.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,376.13 : 156,592.44 = 74,428.20 : x
  2. Step 2: Convert to fraction form
    104,376.13/156,592.44 = 74,428.20/x
  3. Step 3: Cross multiply
    104,376.13x = 156,592.44 × 74,428.20
  4. Step 4: Simplify right side
    104,376.13x = 11,654,893,442.81
  5. Step 5: Solve for x
    x = 11,654,893,442.81/104,376.13
  6. Step 6: Final answer
    x = 111,662.44

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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.