Home / 75,103.12-103,641.36-41,111.47

Finding the Fourth Proportional to 75,103.12, 103,641.36 and 41,111.47

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Solution

The fourth proportional to 75,103.12, 103,641.36 and 41,111.47 is: 56,733.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,103.12 : 103,641.36 = 41,111.47 : x
  2. Step 2: Convert to fraction form
    75,103.12/103,641.36 = 41,111.47/x
  3. Step 3: Cross multiply
    75,103.12x = 103,641.36 × 41,111.47
  4. Step 4: Simplify right side
    75,103.12x = 4,260,848,662.40
  5. Step 5: Solve for x
    x = 4,260,848,662.40/75,103.12
  6. Step 6: Final answer
    x = 56,733.31

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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.