Home / 54,279.76-81,421.22-46,332.16

Finding the Fourth Proportional to 54,279.76, 81,421.22 and 46,332.16

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Solution

The fourth proportional to 54,279.76, 81,421.22 and 46,332.16 is: 69,499.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,279.76 : 81,421.22 = 46,332.16 : x
  2. Step 2: Convert to fraction form
    54,279.76/81,421.22 = 46,332.16/x
  3. Step 3: Cross multiply
    54,279.76x = 81,421.22 × 46,332.16
  4. Step 4: Simplify right side
    54,279.76x = 3,772,420,992.44
  5. Step 5: Solve for x
    x = 3,772,420,992.44/54,279.76
  6. Step 6: Final answer
    x = 69,499.59

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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.