Home / 54,953.30-75,839.63-30,756.69

Finding the Fourth Proportional to 54,953.30, 75,839.63 and 30,756.69

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Solution

The fourth proportional to 54,953.30, 75,839.63 and 30,756.69 is: 42,446.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,953.30 : 75,839.63 = 30,756.69 : x
  2. Step 2: Convert to fraction form
    54,953.30/75,839.63 = 30,756.69/x
  3. Step 3: Cross multiply
    54,953.30x = 75,839.63 × 30,756.69
  4. Step 4: Simplify right side
    54,953.30x = 2,332,575,835.84
  5. Step 5: Solve for x
    x = 2,332,575,835.84/54,953.30
  6. Step 6: Final answer
    x = 42,446.51

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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.