Home / 89,453.10-123,451.65-59,185.56

Finding the Fourth Proportional to 89,453.10, 123,451.65 and 59,185.56

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Solution

The fourth proportional to 89,453.10, 123,451.65 and 59,185.56 is: 81,680.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,453.10 : 123,451.65 = 59,185.56 : x
  2. Step 2: Convert to fraction form
    89,453.10/123,451.65 = 59,185.56/x
  3. Step 3: Cross multiply
    89,453.10x = 123,451.65 × 59,185.56
  4. Step 4: Simplify right side
    89,453.10x = 7,306,555,038.17
  5. Step 5: Solve for x
    x = 7,306,555,038.17/89,453.10
  6. Step 6: Final answer
    x = 81,680.29

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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.