Home / 86,958.28-120,100.98-58,615.24

Finding the Fourth Proportional to 86,958.28, 120,100.98 and 58,615.24

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Solution

The fourth proportional to 86,958.28, 120,100.98 and 58,615.24 is: 80,955.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,958.28 : 120,100.98 = 58,615.24 : x
  2. Step 2: Convert to fraction form
    86,958.28/120,100.98 = 58,615.24/x
  3. Step 3: Cross multiply
    86,958.28x = 120,100.98 × 58,615.24
  4. Step 4: Simplify right side
    86,958.28x = 7,039,747,766.94
  5. Step 5: Solve for x
    x = 7,039,747,766.94/86,958.28
  6. Step 6: Final answer
    x = 80,955.46

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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.