Home / 48,502-66,922.68-28,354.93

Finding the Fourth Proportional to 48,502, 66,922.68 and 28,354.93

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Solution

The fourth proportional to 48,502, 66,922.68 and 28,354.93 is: 39,123.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,502 : 66,922.68 = 28,354.93 : x
  2. Step 2: Convert to fraction form
    48,502/66,922.68 = 28,354.93/x
  3. Step 3: Cross multiply
    48,502x = 66,922.68 × 28,354.93
  4. Step 4: Simplify right side
    48,502x = 1,897,587,906.81
  5. Step 5: Solve for x
    x = 1,897,587,906.81/48,502
  6. Step 6: Final answer
    x = 39,123.91

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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.