Home / 77,568.31-107,037.96-43,574.95

Finding the Fourth Proportional to 77,568.31, 107,037.96 and 43,574.95

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Solution

The fourth proportional to 77,568.31, 107,037.96 and 43,574.95 is: 60,129.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,568.31 : 107,037.96 = 43,574.95 : x
  2. Step 2: Convert to fraction form
    77,568.31/107,037.96 = 43,574.95/x
  3. Step 3: Cross multiply
    77,568.31x = 107,037.96 × 43,574.95
  4. Step 4: Simplify right side
    77,568.31x = 4,664,173,755.10
  5. Step 5: Solve for x
    x = 4,664,173,755.10/77,568.31
  6. Step 6: Final answer
    x = 60,129.89

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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.