Home / 94,043.91-129,780.62-53,758.56

Finding the Fourth Proportional to 94,043.91, 129,780.62 and 53,758.56

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Solution

The fourth proportional to 94,043.91, 129,780.62 and 53,758.56 is: 74,186.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,043.91 : 129,780.62 = 53,758.56 : x
  2. Step 2: Convert to fraction form
    94,043.91/129,780.62 = 53,758.56/x
  3. Step 3: Cross multiply
    94,043.91x = 129,780.62 × 53,758.56
  4. Step 4: Simplify right side
    94,043.91x = 6,976,819,666.59
  5. Step 5: Solve for x
    x = 6,976,819,666.59/94,043.91
  6. Step 6: Final answer
    x = 74,186.83

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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.