Home / 75,535.50-104,230.80-43,698.45

Finding the Fourth Proportional to 75,535.50, 104,230.80 and 43,698.45

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Solution

The fourth proportional to 75,535.50, 104,230.80 and 43,698.45 is: 60,299.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,535.50 : 104,230.80 = 43,698.45 : x
  2. Step 2: Convert to fraction form
    75,535.50/104,230.80 = 43,698.45/x
  3. Step 3: Cross multiply
    75,535.50x = 104,230.80 × 43,698.45
  4. Step 4: Simplify right side
    75,535.50x = 4,554,724,402.26
  5. Step 5: Solve for x
    x = 4,554,724,402.26/75,535.50
  6. Step 6: Final answer
    x = 60,299.12

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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.