Home / 103,528.62-155,300.36-27,626.76

Finding the Fourth Proportional to 103,528.62, 155,300.36 and 27,626.76

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Solution

The fourth proportional to 103,528.62, 155,300.36 and 27,626.76 is: 41,442.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,528.62 : 155,300.36 = 27,626.76 : x
  2. Step 2: Convert to fraction form
    103,528.62/155,300.36 = 27,626.76/x
  3. Step 3: Cross multiply
    103,528.62x = 155,300.36 × 27,626.76
  4. Step 4: Simplify right side
    103,528.62x = 4,290,445,773.63
  5. Step 5: Solve for x
    x = 4,290,445,773.63/103,528.62
  6. Step 6: Final answer
    x = 41,442.12

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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.