Home / 66,930.19-92,348.17-40,062.49

Finding the Fourth Proportional to 66,930.19, 92,348.17 and 40,062.49

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Solution

The fourth proportional to 66,930.19, 92,348.17 and 40,062.49 is: 55,276.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,930.19 : 92,348.17 = 40,062.49 : x
  2. Step 2: Convert to fraction form
    66,930.19/92,348.17 = 40,062.49/x
  3. Step 3: Cross multiply
    66,930.19x = 92,348.17 × 40,062.49
  4. Step 4: Simplify right side
    66,930.19x = 3,699,697,637.14
  5. Step 5: Solve for x
    x = 3,699,697,637.14/66,930.19
  6. Step 6: Final answer
    x = 55,276.96

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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.