Home / 116,784.20-161,162.21-63,069.21

Finding the Fourth Proportional to 116,784.20, 161,162.21 and 63,069.21

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Solution

The fourth proportional to 116,784.20, 161,162.21 and 63,069.21 is: 87,035.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,784.20 : 161,162.21 = 63,069.21 : x
  2. Step 2: Convert to fraction form
    116,784.20/161,162.21 = 63,069.21/x
  3. Step 3: Cross multiply
    116,784.20x = 161,162.21 × 63,069.21
  4. Step 4: Simplify right side
    116,784.20x = 10,164,373,424.23
  5. Step 5: Solve for x
    x = 10,164,373,424.23/116,784.20
  6. Step 6: Final answer
    x = 87,035.52

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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.