Home / 89,701.21-123,792.33-53,892.73

Finding the Fourth Proportional to 89,701.21, 123,792.33 and 53,892.73

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Solution

The fourth proportional to 89,701.21, 123,792.33 and 53,892.73 is: 74,374.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,701.21 : 123,792.33 = 53,892.73 : x
  2. Step 2: Convert to fraction form
    89,701.21/123,792.33 = 53,892.73/x
  3. Step 3: Cross multiply
    89,701.21x = 123,792.33 × 53,892.73
  4. Step 4: Simplify right side
    89,701.21x = 6,671,506,616.76
  5. Step 5: Solve for x
    x = 6,671,506,616.76/89,701.21
  6. Step 6: Final answer
    x = 74,374.77

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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.