Home / 61,668.20-85,044.35-40,935.02

Finding the Fourth Proportional to 61,668.20, 85,044.35 and 40,935.02

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Solution

The fourth proportional to 61,668.20, 85,044.35 and 40,935.02 is: 56,451.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,668.20 : 85,044.35 = 40,935.02 : x
  2. Step 2: Convert to fraction form
    61,668.20/85,044.35 = 40,935.02/x
  3. Step 3: Cross multiply
    61,668.20x = 85,044.35 × 40,935.02
  4. Step 4: Simplify right side
    61,668.20x = 3,481,291,538.24
  5. Step 5: Solve for x
    x = 3,481,291,538.24/61,668.20
  6. Step 6: Final answer
    x = 56,451.98

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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.