Home / 89,224.89-123,129.50-48,938.81

Finding the Fourth Proportional to 89,224.89, 123,129.50 and 48,938.81

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Solution

The fourth proportional to 89,224.89, 123,129.50 and 48,938.81 is: 67,535.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,224.89 : 123,129.50 = 48,938.81 : x
  2. Step 2: Convert to fraction form
    89,224.89/123,129.50 = 48,938.81/x
  3. Step 3: Cross multiply
    89,224.89x = 123,129.50 × 48,938.81
  4. Step 4: Simplify right side
    89,224.89x = 6,025,811,636.07
  5. Step 5: Solve for x
    x = 6,025,811,636.07/89,224.89
  6. Step 6: Final answer
    x = 67,535.10

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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.