Home / 89,126.56-122,982.96-53,303.52

Finding the Fourth Proportional to 89,126.56, 122,982.96 and 53,303.52

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Solution

The fourth proportional to 89,126.56, 122,982.96 and 53,303.52 is: 73,551.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,126.56 : 122,982.96 = 53,303.52 : x
  2. Step 2: Convert to fraction form
    89,126.56/122,982.96 = 53,303.52/x
  3. Step 3: Cross multiply
    89,126.56x = 122,982.96 × 53,303.52
  4. Step 4: Simplify right side
    89,126.56x = 6,555,424,668.02
  5. Step 5: Solve for x
    x = 6,555,424,668.02/89,126.56
  6. Step 6: Final answer
    x = 73,551.86

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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.