Home / 55,742.84-76,920.04-33,077.92

Finding the Fourth Proportional to 55,742.84, 76,920.04 and 33,077.92

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Solution

The fourth proportional to 55,742.84, 76,920.04 and 33,077.92 is: 45,644.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,742.84 : 76,920.04 = 33,077.92 : x
  2. Step 2: Convert to fraction form
    55,742.84/76,920.04 = 33,077.92/x
  3. Step 3: Cross multiply
    55,742.84x = 76,920.04 × 33,077.92
  4. Step 4: Simplify right side
    55,742.84x = 2,544,354,929.52
  5. Step 5: Solve for x
    x = 2,544,354,929.52/55,742.84
  6. Step 6: Final answer
    x = 45,644.52

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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.