Home / 66,123.73-91,259.09-40,977.01

Finding the Fourth Proportional to 66,123.73, 91,259.09 and 40,977.01

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Solution

The fourth proportional to 66,123.73, 91,259.09 and 40,977.01 is: 56,553.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,123.73 : 91,259.09 = 40,977.01 : x
  2. Step 2: Convert to fraction form
    66,123.73/91,259.09 = 40,977.01/x
  3. Step 3: Cross multiply
    66,123.73x = 91,259.09 × 40,977.01
  4. Step 4: Simplify right side
    66,123.73x = 3,739,524,643.52
  5. Step 5: Solve for x
    x = 3,739,524,643.52/66,123.73
  6. Step 6: Final answer
    x = 56,553.44

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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.