Home / 89,278.08-123,173.24-51,010.17

Finding the Fourth Proportional to 89,278.08, 123,173.24 and 51,010.17

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Solution

The fourth proportional to 89,278.08, 123,173.24 and 51,010.17 is: 70,376.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,278.08 : 123,173.24 = 51,010.17 : x
  2. Step 2: Convert to fraction form
    89,278.08/123,173.24 = 51,010.17/x
  3. Step 3: Cross multiply
    89,278.08x = 123,173.24 × 51,010.17
  4. Step 4: Simplify right side
    89,278.08x = 6,283,087,656.80
  5. Step 5: Solve for x
    x = 6,283,087,656.80/89,278.08
  6. Step 6: Final answer
    x = 70,376.60

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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.