Home / 89,369.03-123,329.70-48,533.28

Finding the Fourth Proportional to 89,369.03, 123,329.70 and 48,533.28

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Solution

The fourth proportional to 89,369.03, 123,329.70 and 48,533.28 is: 66,976.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,369.03 : 123,329.70 = 48,533.28 : x
  2. Step 2: Convert to fraction form
    89,369.03/123,329.70 = 48,533.28/x
  3. Step 3: Cross multiply
    89,369.03x = 123,329.70 × 48,533.28
  4. Step 4: Simplify right side
    89,369.03x = 5,985,594,862.42
  5. Step 5: Solve for x
    x = 5,985,594,862.42/89,369.03
  6. Step 6: Final answer
    x = 66,976.17

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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.