Home / 102,579.01-141,558.51-57,254.38

Finding the Fourth Proportional to 102,579.01, 141,558.51 and 57,254.38

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Solution

The fourth proportional to 102,579.01, 141,558.51 and 57,254.38 is: 79,010.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,579.01 : 141,558.51 = 57,254.38 : x
  2. Step 2: Convert to fraction form
    102,579.01/141,558.51 = 57,254.38/x
  3. Step 3: Cross multiply
    102,579.01x = 141,558.51 × 57,254.38
  4. Step 4: Simplify right side
    102,579.01x = 8,104,844,723.77
  5. Step 5: Solve for x
    x = 8,104,844,723.77/102,579.01
  6. Step 6: Final answer
    x = 79,010.75

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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.