Home / 89,603.16-123,660.63-49,325.10

Finding the Fourth Proportional to 89,603.16, 123,660.63 and 49,325.10

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Solution

The fourth proportional to 89,603.16, 123,660.63 and 49,325.10 is: 68,073.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,603.16 : 123,660.63 = 49,325.10 : x
  2. Step 2: Convert to fraction form
    89,603.16/123,660.63 = 49,325.10/x
  3. Step 3: Cross multiply
    89,603.16x = 123,660.63 × 49,325.10
  4. Step 4: Simplify right side
    89,603.16x = 6,099,572,940.81
  5. Step 5: Solve for x
    x = 6,099,572,940.81/89,603.16
  6. Step 6: Final answer
    x = 68,073.19

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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.