Home / 66,864.95-92,283.09-41,379.53

Finding the Fourth Proportional to 66,864.95, 92,283.09 and 41,379.53

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Solution

The fourth proportional to 66,864.95, 92,283.09 and 41,379.53 is: 57,109.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,864.95 : 92,283.09 = 41,379.53 : x
  2. Step 2: Convert to fraction form
    66,864.95/92,283.09 = 41,379.53/x
  3. Step 3: Cross multiply
    66,864.95x = 92,283.09 × 41,379.53
  4. Step 4: Simplify right side
    66,864.95x = 3,818,630,891.15
  5. Step 5: Solve for x
    x = 3,818,630,891.15/66,864.95
  6. Step 6: Final answer
    x = 57,109.61

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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.