Home / 55,172.58-75,899.24-48,335.81

Finding the Fourth Proportional to 55,172.58, 75,899.24 and 48,335.81

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Solution

The fourth proportional to 55,172.58, 75,899.24 and 48,335.81 is: 66,494.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,172.58 : 75,899.24 = 48,335.81 : x
  2. Step 2: Convert to fraction form
    55,172.58/75,899.24 = 48,335.81/x
  3. Step 3: Cross multiply
    55,172.58x = 75,899.24 × 48,335.81
  4. Step 4: Simplify right side
    55,172.58x = 3,668,650,622.61
  5. Step 5: Solve for x
    x = 3,668,650,622.61/55,172.58
  6. Step 6: Final answer
    x = 66,494.09

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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.