Home / 91,743.12-126,586.26-59,958.72

Finding the Fourth Proportional to 91,743.12, 126,586.26 and 59,958.72

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Solution

The fourth proportional to 91,743.12, 126,586.26 and 59,958.72 is: 82,730.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,743.12 : 126,586.26 = 59,958.72 : x
  2. Step 2: Convert to fraction form
    91,743.12/126,586.26 = 59,958.72/x
  3. Step 3: Cross multiply
    91,743.12x = 126,586.26 × 59,958.72
  4. Step 4: Simplify right side
    91,743.12x = 7,589,950,119.19
  5. Step 5: Solve for x
    x = 7,589,950,119.19/91,743.12
  6. Step 6: Final answer
    x = 82,730.46

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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.