Home / 89,972.68-124,178.40-53,676.38

Finding the Fourth Proportional to 89,972.68, 124,178.40 and 53,676.38

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Solution

The fourth proportional to 89,972.68, 124,178.40 and 53,676.38 is: 74,083.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,972.68 : 124,178.40 = 53,676.38 : x
  2. Step 2: Convert to fraction form
    89,972.68/124,178.40 = 53,676.38/x
  3. Step 3: Cross multiply
    89,972.68x = 124,178.40 × 53,676.38
  4. Step 4: Simplify right side
    89,972.68x = 6,665,446,986.19
  5. Step 5: Solve for x
    x = 6,665,446,986.19/89,972.68
  6. Step 6: Final answer
    x = 74,083.01

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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.