Home / 65,270.23-90,026.82-55,554.85

Finding the Fourth Proportional to 65,270.23, 90,026.82 and 55,554.85

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Solution

The fourth proportional to 65,270.23, 90,026.82 and 55,554.85 is: 76,626.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,270.23 : 90,026.82 = 55,554.85 : x
  2. Step 2: Convert to fraction form
    65,270.23/90,026.82 = 55,554.85/x
  3. Step 3: Cross multiply
    65,270.23x = 90,026.82 × 55,554.85
  4. Step 4: Simplify right side
    65,270.23x = 5,001,426,481.08
  5. Step 5: Solve for x
    x = 5,001,426,481.08/65,270.23
  6. Step 6: Final answer
    x = 76,626.46

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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.