Home / 82,601.12-113,989.20-44,875.64

Finding the Fourth Proportional to 82,601.12, 113,989.20 and 44,875.64

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Solution

The fourth proportional to 82,601.12, 113,989.20 and 44,875.64 is: 61,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,601.12 : 113,989.20 = 44,875.64 : x
  2. Step 2: Convert to fraction form
    82,601.12/113,989.20 = 44,875.64/x
  3. Step 3: Cross multiply
    82,601.12x = 113,989.20 × 44,875.64
  4. Step 4: Simplify right side
    82,601.12x = 5,115,338,303.09
  5. Step 5: Solve for x
    x = 5,115,338,303.09/82,601.12
  6. Step 6: Final answer
    x = 61,928.20

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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.