Home / 94,037.14-129,780.38-53,743.21

Finding the Fourth Proportional to 94,037.14, 129,780.38 and 53,743.21

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Solution

The fourth proportional to 94,037.14, 129,780.38 and 53,743.21 is: 74,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,037.14 : 129,780.38 = 53,743.21 : x
  2. Step 2: Convert to fraction form
    94,037.14/129,780.38 = 53,743.21/x
  3. Step 3: Cross multiply
    94,037.14x = 129,780.38 × 53,743.21
  4. Step 4: Simplify right side
    94,037.14x = 6,974,814,216.22
  5. Step 5: Solve for x
    x = 6,974,814,216.22/94,037.14
  6. Step 6: Final answer
    x = 74,170.85

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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.