Home / 66,488.27-91,750.61-36,271.79

Finding the Fourth Proportional to 66,488.27, 91,750.61 and 36,271.79

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Solution

The fourth proportional to 66,488.27, 91,750.61 and 36,271.79 is: 50,053.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,488.27 : 91,750.61 = 36,271.79 : x
  2. Step 2: Convert to fraction form
    66,488.27/91,750.61 = 36,271.79/x
  3. Step 3: Cross multiply
    66,488.27x = 91,750.61 × 36,271.79
  4. Step 4: Simplify right side
    66,488.27x = 3,327,958,654.25
  5. Step 5: Solve for x
    x = 3,327,958,654.25/66,488.27
  6. Step 6: Final answer
    x = 50,053.32

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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.