Home / 82,913.04-114,422.76-45,188.64

Finding the Fourth Proportional to 82,913.04, 114,422.76 and 45,188.64

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Solution

The fourth proportional to 82,913.04, 114,422.76 and 45,188.64 is: 62,361.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,913.04 : 114,422.76 = 45,188.64 : x
  2. Step 2: Convert to fraction form
    82,913.04/114,422.76 = 45,188.64/x
  3. Step 3: Cross multiply
    82,913.04x = 114,422.76 × 45,188.64
  4. Step 4: Simplify right side
    82,913.04x = 5,170,608,909.45
  5. Step 5: Solve for x
    x = 5,170,608,909.45/82,913.04
  6. Step 6: Final answer
    x = 62,361.83

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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.