Home / 68,918.08-95,079.81-39,827.25

Finding the Fourth Proportional to 68,918.08, 95,079.81 and 39,827.25

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Solution

The fourth proportional to 68,918.08, 95,079.81 and 39,827.25 is: 54,945.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,918.08 : 95,079.81 = 39,827.25 : x
  2. Step 2: Convert to fraction form
    68,918.08/95,079.81 = 39,827.25/x
  3. Step 3: Cross multiply
    68,918.08x = 95,079.81 × 39,827.25
  4. Step 4: Simplify right side
    68,918.08x = 3,786,767,362.82
  5. Step 5: Solve for x
    x = 3,786,767,362.82/68,918.08
  6. Step 6: Final answer
    x = 54,945.92

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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.