Home / 82,133.64-113,344.47-44,407.86

Finding the Fourth Proportional to 82,133.64, 113,344.47 and 44,407.86

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Solution

The fourth proportional to 82,133.64, 113,344.47 and 44,407.86 is: 61,282.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,133.64 : 113,344.47 = 44,407.86 : x
  2. Step 2: Convert to fraction form
    82,133.64/113,344.47 = 44,407.86/x
  3. Step 3: Cross multiply
    82,133.64x = 113,344.47 × 44,407.86
  4. Step 4: Simplify right side
    82,133.64x = 5,033,385,355.53
  5. Step 5: Solve for x
    x = 5,033,385,355.53/82,133.64
  6. Step 6: Final answer
    x = 61,282.87

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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.