Home / 66,918.65-92,266.98-57,827.75

Finding the Fourth Proportional to 66,918.65, 92,266.98 and 57,827.75

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Solution

The fourth proportional to 66,918.65, 92,266.98 and 57,827.75 is: 79,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,918.65 : 92,266.98 = 57,827.75 : x
  2. Step 2: Convert to fraction form
    66,918.65/92,266.98 = 57,827.75/x
  3. Step 3: Cross multiply
    66,918.65x = 92,266.98 × 57,827.75
  4. Step 4: Simplify right side
    66,918.65x = 5,335,591,852.70
  5. Step 5: Solve for x
    x = 5,335,591,852.70/66,918.65
  6. Step 6: Final answer
    x = 79,732.51

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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.