Home / 89,926.12-124,078.80-52,180.12

Finding the Fourth Proportional to 89,926.12, 124,078.80 and 52,180.12

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Solution

The fourth proportional to 89,926.12, 124,078.80 and 52,180.12 is: 71,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,926.12 : 124,078.80 = 52,180.12 : x
  2. Step 2: Convert to fraction form
    89,926.12/124,078.80 = 52,180.12/x
  3. Step 3: Cross multiply
    89,926.12x = 124,078.80 × 52,180.12
  4. Step 4: Simplify right side
    89,926.12x = 6,474,446,673.46
  5. Step 5: Solve for x
    x = 6,474,446,673.46/89,926.12
  6. Step 6: Final answer
    x = 71,997.40

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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.