Home / 74,823.38-112,234.91-43,636.76

Finding the Fourth Proportional to 74,823.38, 112,234.91 and 43,636.76

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Solution

The fourth proportional to 74,823.38, 112,234.91 and 43,636.76 is: 65,455.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,823.38 : 112,234.91 = 43,636.76 : x
  2. Step 2: Convert to fraction form
    74,823.38/112,234.91 = 43,636.76/x
  3. Step 3: Cross multiply
    74,823.38x = 112,234.91 × 43,636.76
  4. Step 4: Simplify right side
    74,823.38x = 4,897,567,379.21
  5. Step 5: Solve for x
    x = 4,897,567,379.21/74,823.38
  6. Step 6: Final answer
    x = 65,455.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.