Home / 82,428.60-113,751.18-44,702.76

Finding the Fourth Proportional to 82,428.60, 113,751.18 and 44,702.76

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Solution

The fourth proportional to 82,428.60, 113,751.18 and 44,702.76 is: 61,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,428.60 : 113,751.18 = 44,702.76 : x
  2. Step 2: Convert to fraction form
    82,428.60/113,751.18 = 44,702.76/x
  3. Step 3: Cross multiply
    82,428.60x = 113,751.18 × 44,702.76
  4. Step 4: Simplify right side
    82,428.60x = 5,084,991,699.26
  5. Step 5: Solve for x
    x = 5,084,991,699.26/82,428.60
  6. Step 6: Final answer
    x = 61,689.65

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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.