Home / 89,568.80-123,622.63-51,354.02

Finding the Fourth Proportional to 89,568.80, 123,622.63 and 51,354.02

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Solution

The fourth proportional to 89,568.80, 123,622.63 and 51,354.02 is: 70,878.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,568.80 : 123,622.63 = 51,354.02 : x
  2. Step 2: Convert to fraction form
    89,568.80/123,622.63 = 51,354.02/x
  3. Step 3: Cross multiply
    89,568.80x = 123,622.63 × 51,354.02
  4. Step 4: Simplify right side
    89,568.80x = 6,348,519,013.47
  5. Step 5: Solve for x
    x = 6,348,519,013.47/89,568.80
  6. Step 6: Final answer
    x = 70,878.69

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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.