Home / 89,173.29-123,057.75-48,887.39

Finding the Fourth Proportional to 89,173.29, 123,057.75 and 48,887.39

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Solution

The fourth proportional to 89,173.29, 123,057.75 and 48,887.39 is: 67,463.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,173.29 : 123,057.75 = 48,887.39 : x
  2. Step 2: Convert to fraction form
    89,173.29/123,057.75 = 48,887.39/x
  3. Step 3: Cross multiply
    89,173.29x = 123,057.75 × 48,887.39
  4. Step 4: Simplify right side
    89,173.29x = 6,015,972,216.77
  5. Step 5: Solve for x
    x = 6,015,972,216.77/89,173.29
  6. Step 6: Final answer
    x = 67,463.84

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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.