Home / 89,848.57-123,936.08-57,572.32

Finding the Fourth Proportional to 89,848.57, 123,936.08 and 57,572.32

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Solution

The fourth proportional to 89,848.57, 123,936.08 and 57,572.32 is: 79,414.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,848.57 : 123,936.08 = 57,572.32 : x
  2. Step 2: Convert to fraction form
    89,848.57/123,936.08 = 57,572.32/x
  3. Step 3: Cross multiply
    89,848.57x = 123,936.08 × 57,572.32
  4. Step 4: Simplify right side
    89,848.57x = 7,135,287,291.98
  5. Step 5: Solve for x
    x = 7,135,287,291.98/89,848.57
  6. Step 6: Final answer
    x = 79,414.59

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1.5x scale

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.