Home / 116,823.09-161,215.92-63,108.09

Finding the Fourth Proportional to 116,823.09, 161,215.92 and 63,108.09

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Solution

The fourth proportional to 116,823.09, 161,215.92 and 63,108.09 is: 87,089.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,823.09 : 161,215.92 = 63,108.09 : x
  2. Step 2: Convert to fraction form
    116,823.09/161,215.92 = 63,108.09/x
  3. Step 3: Cross multiply
    116,823.09x = 161,215.92 × 63,108.09
  4. Step 4: Simplify right side
    116,823.09x = 10,174,028,788.79
  5. Step 5: Solve for x
    x = 10,174,028,788.79/116,823.09
  6. Step 6: Final answer
    x = 87,089.19

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1.5x scale

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.