Home / 75,289.38-103,896.05-45,091.50

Finding the Fourth Proportional to 75,289.38, 103,896.05 and 45,091.50

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Solution

The fourth proportional to 75,289.38, 103,896.05 and 45,091.50 is: 62,224.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,289.38 : 103,896.05 = 45,091.50 : x
  2. Step 2: Convert to fraction form
    75,289.38/103,896.05 = 45,091.50/x
  3. Step 3: Cross multiply
    75,289.38x = 103,896.05 × 45,091.50
  4. Step 4: Simplify right side
    75,289.38x = 4,684,828,513.12
  5. Step 5: Solve for x
    x = 4,684,828,513.12/75,289.38
  6. Step 6: Final answer
    x = 62,224.29

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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.