Home / 75,588.40-104,316.31-43,328.39

Finding the Fourth Proportional to 75,588.40, 104,316.31 and 43,328.39

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Solution

The fourth proportional to 75,588.40, 104,316.31 and 43,328.39 is: 59,795.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,588.40 : 104,316.31 = 43,328.39 : x
  2. Step 2: Convert to fraction form
    75,588.40/104,316.31 = 43,328.39/x
  3. Step 3: Cross multiply
    75,588.40x = 104,316.31 × 43,328.39
  4. Step 4: Simplify right side
    75,588.40x = 4,519,857,932.07
  5. Step 5: Solve for x
    x = 4,519,857,932.07/75,588.40
  6. Step 6: Final answer
    x = 59,795.65

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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.