Home / 77,957.81-107,581.25-43,966.59

Finding the Fourth Proportional to 77,957.81, 107,581.25 and 43,966.59

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Solution

The fourth proportional to 77,957.81, 107,581.25 and 43,966.59 is: 60,673.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,957.81 : 107,581.25 = 43,966.59 : x
  2. Step 2: Convert to fraction form
    77,957.81/107,581.25 = 43,966.59/x
  3. Step 3: Cross multiply
    77,957.81x = 107,581.25 × 43,966.59
  4. Step 4: Simplify right side
    77,957.81x = 4,729,980,252.05
  5. Step 5: Solve for x
    x = 4,729,980,252.05/77,957.81
  6. Step 6: Final answer
    x = 60,673.59

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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.