Home / 82,178.28-113,412.96-46,369.80

Finding the Fourth Proportional to 82,178.28, 113,412.96 and 46,369.80

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Solution

The fourth proportional to 82,178.28, 113,412.96 and 46,369.80 is: 63,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,178.28 : 113,412.96 = 46,369.80 : x
  2. Step 2: Convert to fraction form
    82,178.28/113,412.96 = 46,369.80/x
  3. Step 3: Cross multiply
    82,178.28x = 113,412.96 × 46,369.80
  4. Step 4: Simplify right side
    82,178.28x = 5,258,936,272.61
  5. Step 5: Solve for x
    x = 5,258,936,272.61/82,178.28
  6. Step 6: Final answer
    x = 63,994.24

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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.