Home / 116,781.43-161,158.37-63,066.44

Finding the Fourth Proportional to 116,781.43, 161,158.37 and 63,066.44

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Solution

The fourth proportional to 116,781.43, 161,158.37 and 63,066.44 is: 87,031.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,781.43 : 161,158.37 = 63,066.44 : x
  2. Step 2: Convert to fraction form
    116,781.43/161,158.37 = 63,066.44/x
  3. Step 3: Cross multiply
    116,781.43x = 161,158.37 × 63,066.44
  4. Step 4: Simplify right side
    116,781.43x = 10,163,684,356.77
  5. Step 5: Solve for x
    x = 10,163,684,356.77/116,781.43
  6. Step 6: Final answer
    x = 87,031.68

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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.