Home / 75,331.04-103,956.82-43,066.36

Finding the Fourth Proportional to 75,331.04, 103,956.82 and 43,066.36

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Solution

The fourth proportional to 75,331.04, 103,956.82 and 43,066.36 is: 59,431.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,331.04 : 103,956.82 = 43,066.36 : x
  2. Step 2: Convert to fraction form
    75,331.04/103,956.82 = 43,066.36/x
  3. Step 3: Cross multiply
    75,331.04x = 103,956.82 × 43,066.36
  4. Step 4: Simplify right side
    75,331.04x = 4,477,041,834.58
  5. Step 5: Solve for x
    x = 4,477,041,834.58/75,331.04
  6. Step 6: Final answer
    x = 59,431.57

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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.