Home / 66,227.49-99,341.10-54,493.25

Finding the Fourth Proportional to 66,227.49, 99,341.10 and 54,493.25

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Solution

The fourth proportional to 66,227.49, 99,341.10 and 54,493.25 is: 81,739.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,227.49 : 99,341.10 = 54,493.25 : x
  2. Step 2: Convert to fraction form
    66,227.49/99,341.10 = 54,493.25/x
  3. Step 3: Cross multiply
    66,227.49x = 99,341.10 × 54,493.25
  4. Step 4: Simplify right side
    66,227.49x = 5,413,418,900.87
  5. Step 5: Solve for x
    x = 5,413,418,900.87/66,227.49
  6. Step 6: Final answer
    x = 81,739.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.