Home / 66,864.45-92,282.40-41,379.02

Finding the Fourth Proportional to 66,864.45, 92,282.40 and 41,379.02

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Solution

The fourth proportional to 66,864.45, 92,282.40 and 41,379.02 is: 57,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,864.45 : 92,282.40 = 41,379.02 : x
  2. Step 2: Convert to fraction form
    66,864.45/92,282.40 = 41,379.02/x
  3. Step 3: Cross multiply
    66,864.45x = 92,282.40 × 41,379.02
  4. Step 4: Simplify right side
    66,864.45x = 3,818,555,275.25
  5. Step 5: Solve for x
    x = 3,818,555,275.25/66,864.45
  6. Step 6: Final answer
    x = 57,108.90

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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.