Home / 82,347.06-113,639.83-48,355.95

Finding the Fourth Proportional to 82,347.06, 113,639.83 and 48,355.95

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Solution

The fourth proportional to 82,347.06, 113,639.83 and 48,355.95 is: 66,731.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,347.06 : 113,639.83 = 48,355.95 : x
  2. Step 2: Convert to fraction form
    82,347.06/113,639.83 = 48,355.95/x
  3. Step 3: Cross multiply
    82,347.06x = 113,639.83 × 48,355.95
  4. Step 4: Simplify right side
    82,347.06x = 5,495,161,369.29
  5. Step 5: Solve for x
    x = 5,495,161,369.29/82,347.06
  6. Step 6: Final answer
    x = 66,731.73

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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.