Home / 69,201.04-95,501.75-40,135.31

Finding the Fourth Proportional to 69,201.04, 95,501.75 and 40,135.31

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Solution

The fourth proportional to 69,201.04, 95,501.75 and 40,135.31 is: 55,389.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,201.04 : 95,501.75 = 40,135.31 : x
  2. Step 2: Convert to fraction form
    69,201.04/95,501.75 = 40,135.31/x
  3. Step 3: Cross multiply
    69,201.04x = 95,501.75 × 40,135.31
  4. Step 4: Simplify right side
    69,201.04x = 3,832,992,379.87
  5. Step 5: Solve for x
    x = 3,832,992,379.87/69,201.04
  6. Step 6: Final answer
    x = 55,389.23

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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.