Home / 103,631.66-155,447.36-41,345.90

Finding the Fourth Proportional to 103,631.66, 155,447.36 and 41,345.90

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Solution

The fourth proportional to 103,631.66, 155,447.36 and 41,345.90 is: 62,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,631.66 : 155,447.36 = 41,345.90 : x
  2. Step 2: Convert to fraction form
    103,631.66/155,447.36 = 41,345.90/x
  3. Step 3: Cross multiply
    103,631.66x = 155,447.36 × 41,345.90
  4. Step 4: Simplify right side
    103,631.66x = 6,427,110,795.09
  5. Step 5: Solve for x
    x = 6,427,110,795.09/103,631.66
  6. Step 6: Final answer
    x = 62,018.80

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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.