Home / 89,012.88-122,798.52-53,184.96

Finding the Fourth Proportional to 89,012.88, 122,798.52 and 53,184.96

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Solution

The fourth proportional to 89,012.88, 122,798.52 and 53,184.96 is: 73,371.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,012.88 : 122,798.52 = 53,184.96 : x
  2. Step 2: Convert to fraction form
    89,012.88/122,798.52 = 53,184.96/x
  3. Step 3: Cross multiply
    89,012.88x = 122,798.52 × 53,184.96
  4. Step 4: Simplify right side
    89,012.88x = 6,531,034,374.26
  5. Step 5: Solve for x
    x = 6,531,034,374.26/89,012.88
  6. Step 6: Final answer
    x = 73,371.79

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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.