Home / 74,561.10-102,932.40-57,527.07

Finding the Fourth Proportional to 74,561.10, 102,932.40 and 57,527.07

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Solution

The fourth proportional to 74,561.10, 102,932.40 and 57,527.07 is: 79,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,561.10 : 102,932.40 = 57,527.07 : x
  2. Step 2: Convert to fraction form
    74,561.10/102,932.40 = 57,527.07/x
  3. Step 3: Cross multiply
    74,561.10x = 102,932.40 × 57,527.07
  4. Step 4: Simplify right side
    74,561.10x = 5,921,399,380.07
  5. Step 5: Solve for x
    x = 5,921,399,380.07/74,561.10
  6. Step 6: Final answer
    x = 79,416.74

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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.