Home / 53,042.32-73,192.26-30,379.96

Finding the Fourth Proportional to 53,042.32, 73,192.26 and 30,379.96

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Solution

The fourth proportional to 53,042.32, 73,192.26 and 30,379.96 is: 41,920.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,042.32 : 73,192.26 = 30,379.96 : x
  2. Step 2: Convert to fraction form
    53,042.32/73,192.26 = 30,379.96/x
  3. Step 3: Cross multiply
    53,042.32x = 73,192.26 × 30,379.96
  4. Step 4: Simplify right side
    53,042.32x = 2,223,577,931.11
  5. Step 5: Solve for x
    x = 2,223,577,931.11/53,042.32
  6. Step 6: Final answer
    x = 41,920.83

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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.