Home / 78,299.10-108,051.24-44,306.96

Finding the Fourth Proportional to 78,299.10, 108,051.24 and 44,306.96

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Solution

The fourth proportional to 78,299.10, 108,051.24 and 44,306.96 is: 61,142.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,299.10 : 108,051.24 = 44,306.96 : x
  2. Step 2: Convert to fraction form
    78,299.10/108,051.24 = 44,306.96/x
  3. Step 3: Cross multiply
    78,299.10x = 108,051.24 × 44,306.96
  4. Step 4: Simplify right side
    78,299.10x = 4,787,421,428.37
  5. Step 5: Solve for x
    x = 4,787,421,428.37/78,299.10
  6. Step 6: Final answer
    x = 61,142.74

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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.