Home / 75,453.05-104,107.98-45,243.90

Finding the Fourth Proportional to 75,453.05, 104,107.98 and 45,243.90

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Solution

The fourth proportional to 75,453.05, 104,107.98 and 45,243.90 is: 62,426.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,453.05 : 104,107.98 = 45,243.90 : x
  2. Step 2: Convert to fraction form
    75,453.05/104,107.98 = 45,243.90/x
  3. Step 3: Cross multiply
    75,453.05x = 104,107.98 × 45,243.90
  4. Step 4: Simplify right side
    75,453.05x = 4,710,251,205.99
  5. Step 5: Solve for x
    x = 4,710,251,205.99/75,453.05
  6. Step 6: Final answer
    x = 62,426.25

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1.5x scale

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.