Home / 103,631.10-155,485.05-41,346.30

Finding the Fourth Proportional to 103,631.10, 155,485.05 and 41,346.30

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Solution

The fourth proportional to 103,631.10, 155,485.05 and 41,346.30 is: 62,034.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,631.10 : 155,485.05 = 41,346.30 : x
  2. Step 2: Convert to fraction form
    103,631.10/155,485.05 = 41,346.30/x
  3. Step 3: Cross multiply
    103,631.10x = 155,485.05 × 41,346.30
  4. Step 4: Simplify right side
    103,631.10x = 6,428,731,522.82
  5. Step 5: Solve for x
    x = 6,428,731,522.82/103,631.10
  6. Step 6: Final answer
    x = 62,034.77

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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.