Home / 89,528.40-123,550.11-49,242.60

Finding the Fourth Proportional to 89,528.40, 123,550.11 and 49,242.60

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Solution

The fourth proportional to 89,528.40, 123,550.11 and 49,242.60 is: 67,955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,528.40 : 123,550.11 = 49,242.60 : x
  2. Step 2: Convert to fraction form
    89,528.40/123,550.11 = 49,242.60/x
  3. Step 3: Cross multiply
    89,528.40x = 123,550.11 × 49,242.60
  4. Step 4: Simplify right side
    89,528.40x = 6,083,928,646.69
  5. Step 5: Solve for x
    x = 6,083,928,646.69/89,528.40
  6. Step 6: Final answer
    x = 67,955.29

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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.