Home / 89,587.28-123,604.80-57,774.44

Finding the Fourth Proportional to 89,587.28, 123,604.80 and 57,774.44

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Solution

The fourth proportional to 89,587.28, 123,604.80 and 57,774.44 is: 79,712.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,587.28 : 123,604.80 = 57,774.44 : x
  2. Step 2: Convert to fraction form
    89,587.28/123,604.80 = 57,774.44/x
  3. Step 3: Cross multiply
    89,587.28x = 123,604.80 × 57,774.44
  4. Step 4: Simplify right side
    89,587.28x = 7,141,198,101.31
  5. Step 5: Solve for x
    x = 7,141,198,101.31/89,587.28
  6. Step 6: Final answer
    x = 79,712.19

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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.