Home / 65,456.08-90,330.44-35,648.08

Finding the Fourth Proportional to 65,456.08, 90,330.44 and 35,648.08

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Solution

The fourth proportional to 65,456.08, 90,330.44 and 35,648.08 is: 49,194.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,456.08 : 90,330.44 = 35,648.08 : x
  2. Step 2: Convert to fraction form
    65,456.08/90,330.44 = 35,648.08/x
  3. Step 3: Cross multiply
    65,456.08x = 90,330.44 × 35,648.08
  4. Step 4: Simplify right side
    65,456.08x = 3,220,106,751.56
  5. Step 5: Solve for x
    x = 3,220,106,751.56/65,456.08
  6. Step 6: Final answer
    x = 49,194.92

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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.