Home / 75,313.07-103,928.29-43,046.72

Finding the Fourth Proportional to 75,313.07, 103,928.29 and 43,046.72

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Solution

The fourth proportional to 75,313.07, 103,928.29 and 43,046.72 is: 59,402.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,313.07 : 103,928.29 = 43,046.72 : x
  2. Step 2: Convert to fraction form
    75,313.07/103,928.29 = 43,046.72/x
  3. Step 3: Cross multiply
    75,313.07x = 103,928.29 × 43,046.72
  4. Step 4: Simplify right side
    75,313.07x = 4,473,771,372.45
  5. Step 5: Solve for x
    x = 4,473,771,372.45/75,313.07
  6. Step 6: Final answer
    x = 59,402.33

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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.