Home / 82,431.10-113,755.05-44,705.38

Finding the Fourth Proportional to 82,431.10, 113,755.05 and 44,705.38

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Solution

The fourth proportional to 82,431.10, 113,755.05 and 44,705.38 is: 61,693.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,431.10 : 113,755.05 = 44,705.38 : x
  2. Step 2: Convert to fraction form
    82,431.10/113,755.05 = 44,705.38/x
  3. Step 3: Cross multiply
    82,431.10x = 113,755.05 × 44,705.38
  4. Step 4: Simplify right side
    82,431.10x = 5,085,462,737.17
  5. Step 5: Solve for x
    x = 5,085,462,737.17/82,431.10
  6. Step 6: Final answer
    x = 61,693.50

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1.5x scale

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.