Home / 40,985.39-61,477.75-11,403.15

Finding the Fourth Proportional to 40,985.39, 61,477.75 and 11,403.15

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Solution

The fourth proportional to 40,985.39, 61,477.75 and 11,403.15 is: 17,104.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,985.39 : 61,477.75 = 11,403.15 : x
  2. Step 2: Convert to fraction form
    40,985.39/61,477.75 = 11,403.15/x
  3. Step 3: Cross multiply
    40,985.39x = 61,477.75 × 11,403.15
  4. Step 4: Simplify right side
    40,985.39x = 701,039,788.62
  5. Step 5: Solve for x
    x = 701,039,788.62/40,985.39
  6. Step 6: Final answer
    x = 17,104.63

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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.