Home / 116,968.62-161,416.10-63,253.51

Finding the Fourth Proportional to 116,968.62, 161,416.10 and 63,253.51

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Solution

The fourth proportional to 116,968.62, 161,416.10 and 63,253.51 is: 87,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,968.62 : 161,416.10 = 63,253.51 : x
  2. Step 2: Convert to fraction form
    116,968.62/161,416.10 = 63,253.51/x
  3. Step 3: Cross multiply
    116,968.62x = 161,416.10 × 63,253.51
  4. Step 4: Simplify right side
    116,968.62x = 10,210,134,895.51
  5. Step 5: Solve for x
    x = 10,210,134,895.51/116,968.62
  6. Step 6: Final answer
    x = 87,289.52

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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.