Home / 58,536.13-80,780.11-31,678.64

Finding the Fourth Proportional to 58,536.13, 80,780.11 and 31,678.64

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Solution

The fourth proportional to 58,536.13, 80,780.11 and 31,678.64 is: 43,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,536.13 : 80,780.11 = 31,678.64 : x
  2. Step 2: Convert to fraction form
    58,536.13/80,780.11 = 31,678.64/x
  3. Step 3: Cross multiply
    58,536.13x = 80,780.11 × 31,678.64
  4. Step 4: Simplify right side
    58,536.13x = 2,559,003,461.56
  5. Step 5: Solve for x
    x = 2,559,003,461.56/58,536.13
  6. Step 6: Final answer
    x = 43,716.65

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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.