Home / 66,930.69-92,348.87-40,062.99

Finding the Fourth Proportional to 66,930.69, 92,348.87 and 40,062.99

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Solution

The fourth proportional to 66,930.69, 92,348.87 and 40,062.99 is: 55,277.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,930.69 : 92,348.87 = 40,062.99 : x
  2. Step 2: Convert to fraction form
    66,930.69/92,348.87 = 40,062.99/x
  3. Step 3: Cross multiply
    66,930.69x = 92,348.87 × 40,062.99
  4. Step 4: Simplify right side
    66,930.69x = 3,699,771,655.01
  5. Step 5: Solve for x
    x = 3,699,771,655.01/66,930.69
  6. Step 6: Final answer
    x = 55,277.66

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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.