Home / 91,424.22-126,137.43-59,581.50

Finding the Fourth Proportional to 91,424.22, 126,137.43 and 59,581.50

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Solution

The fourth proportional to 91,424.22, 126,137.43 and 59,581.50 is: 82,204.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,424.22 : 126,137.43 = 59,581.50 : x
  2. Step 2: Convert to fraction form
    91,424.22/126,137.43 = 59,581.50/x
  3. Step 3: Cross multiply
    91,424.22x = 126,137.43 × 59,581.50
  4. Step 4: Simplify right side
    91,424.22x = 7,515,457,285.55
  5. Step 5: Solve for x
    x = 7,515,457,285.55/91,424.22
  6. Step 6: Final answer
    x = 82,204.23

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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.