Home / 54,536.72-75,260.80-30,663.60

Finding the Fourth Proportional to 54,536.72, 75,260.80 and 30,663.60

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Solution

The fourth proportional to 54,536.72, 75,260.80 and 30,663.60 is: 42,315.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,536.72 : 75,260.80 = 30,663.60 : x
  2. Step 2: Convert to fraction form
    54,536.72/75,260.80 = 30,663.60/x
  3. Step 3: Cross multiply
    54,536.72x = 75,260.80 × 30,663.60
  4. Step 4: Simplify right side
    54,536.72x = 2,307,767,066.88
  5. Step 5: Solve for x
    x = 2,307,767,066.88/54,536.72
  6. Step 6: Final answer
    x = 42,315.84

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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.