Home / 75,328.49-103,948.83-43,066.59

Finding the Fourth Proportional to 75,328.49, 103,948.83 and 43,066.59

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Solution

The fourth proportional to 75,328.49, 103,948.83 and 43,066.59 is: 59,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,328.49 : 103,948.83 = 43,066.59 : x
  2. Step 2: Convert to fraction form
    75,328.49/103,948.83 = 43,066.59/x
  3. Step 3: Cross multiply
    75,328.49x = 103,948.83 × 43,066.59
  4. Step 4: Simplify right side
    75,328.49x = 4,476,721,642.59
  5. Step 5: Solve for x
    x = 4,476,721,642.59/75,328.49
  6. Step 6: Final answer
    x = 59,429.33

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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.