Home / 102,306.53-141,150.53-57,585.89

Finding the Fourth Proportional to 102,306.53, 141,150.53 and 57,585.89

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Solution

The fourth proportional to 102,306.53, 141,150.53 and 57,585.89 is: 79,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,306.53 : 141,150.53 = 57,585.89 : x
  2. Step 2: Convert to fraction form
    102,306.53/141,150.53 = 57,585.89/x
  3. Step 3: Cross multiply
    102,306.53x = 141,150.53 × 57,585.89
  4. Step 4: Simplify right side
    102,306.53x = 8,128,278,606.09
  5. Step 5: Solve for x
    x = 8,128,278,606.09/102,306.53
  6. Step 6: Final answer
    x = 79,450.24

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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.