Home / 55,051-82,588.08-28,748.68

Finding the Fourth Proportional to 55,051, 82,588.08 and 28,748.68

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Solution

The fourth proportional to 55,051, 82,588.08 and 28,748.68 is: 43,129.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,051 : 82,588.08 = 28,748.68 : x
  2. Step 2: Convert to fraction form
    55,051/82,588.08 = 28,748.68/x
  3. Step 3: Cross multiply
    55,051x = 82,588.08 × 28,748.68
  4. Step 4: Simplify right side
    55,051x = 2,374,298,283.73
  5. Step 5: Solve for x
    x = 2,374,298,283.73/55,051
  6. Step 6: Final answer
    x = 43,129.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.