Home / 89,623.68-123,667.20-53,808

Finding the Fourth Proportional to 89,623.68, 123,667.20 and 53,808

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Solution

The fourth proportional to 89,623.68, 123,667.20 and 53,808 is: 74,246.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,623.68 : 123,667.20 = 53,808 : x
  2. Step 2: Convert to fraction form
    89,623.68/123,667.20 = 53,808/x
  3. Step 3: Cross multiply
    89,623.68x = 123,667.20 × 53,808
  4. Step 4: Simplify right side
    89,623.68x = 6,654,284,697.60
  5. Step 5: Solve for x
    x = 6,654,284,697.60/89,623.68
  6. Step 6: Final answer
    x = 74,246.95

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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.