Home / 55,486.98-76,579.53-31,292.92

Finding the Fourth Proportional to 55,486.98, 76,579.53 and 31,292.92

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Solution

The fourth proportional to 55,486.98, 76,579.53 and 31,292.92 is: 43,188.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,486.98 : 76,579.53 = 31,292.92 : x
  2. Step 2: Convert to fraction form
    55,486.98/76,579.53 = 31,292.92/x
  3. Step 3: Cross multiply
    55,486.98x = 76,579.53 × 31,292.92
  4. Step 4: Simplify right side
    55,486.98x = 2,396,397,174.64
  5. Step 5: Solve for x
    x = 2,396,397,174.64/55,486.98
  6. Step 6: Final answer
    x = 43,188.46

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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.