Home / 82,511.45-113,866.02-44,785.70

Finding the Fourth Proportional to 82,511.45, 113,866.02 and 44,785.70

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Solution

The fourth proportional to 82,511.45, 113,866.02 and 44,785.70 is: 61,804.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,511.45 : 113,866.02 = 44,785.70 : x
  2. Step 2: Convert to fraction form
    82,511.45/113,866.02 = 44,785.70/x
  3. Step 3: Cross multiply
    82,511.45x = 113,866.02 × 44,785.70
  4. Step 4: Simplify right side
    82,511.45x = 5,099,569,411.91
  5. Step 5: Solve for x
    x = 5,099,569,411.91/82,511.45
  6. Step 6: Final answer
    x = 61,804.38

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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.