Home / 82,428.56-113,751.40-44,702.80

Finding the Fourth Proportional to 82,428.56, 113,751.40 and 44,702.80

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Solution

The fourth proportional to 82,428.56, 113,751.40 and 44,702.80 is: 61,689.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,428.56 : 113,751.40 = 44,702.80 : x
  2. Step 2: Convert to fraction form
    82,428.56/113,751.40 = 44,702.80/x
  3. Step 3: Cross multiply
    82,428.56x = 113,751.40 × 44,702.80
  4. Step 4: Simplify right side
    82,428.56x = 5,085,006,083.92
  5. Step 5: Solve for x
    x = 5,085,006,083.92/82,428.56
  6. Step 6: Final answer
    x = 61,689.86

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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.