Home / 89,773.57-123,881.95-49,485.25

Finding the Fourth Proportional to 89,773.57, 123,881.95 and 49,485.25

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Solution

The fourth proportional to 89,773.57, 123,881.95 and 49,485.25 is: 68,286.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,773.57 : 123,881.95 = 49,485.25 : x
  2. Step 2: Convert to fraction form
    89,773.57/123,881.95 = 49,485.25/x
  3. Step 3: Cross multiply
    89,773.57x = 123,881.95 × 49,485.25
  4. Step 4: Simplify right side
    89,773.57x = 6,130,329,266.24
  5. Step 5: Solve for x
    x = 6,130,329,266.24/89,773.57
  6. Step 6: Final answer
    x = 68,286.57

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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.