Home / 116,733.03-161,089.38-71,407.68

Finding the Fourth Proportional to 116,733.03, 161,089.38 and 71,407.68

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Solution

The fourth proportional to 116,733.03, 161,089.38 and 71,407.68 is: 98,541.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,733.03 : 161,089.38 = 71,407.68 : x
  2. Step 2: Convert to fraction form
    116,733.03/161,089.38 = 71,407.68/x
  3. Step 3: Cross multiply
    116,733.03x = 161,089.38 × 71,407.68
  4. Step 4: Simplify right side
    116,733.03x = 11,503,018,898.44
  5. Step 5: Solve for x
    x = 11,503,018,898.44/116,733.03
  6. Step 6: Final answer
    x = 98,541.25

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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.