Home / 116,774.02-161,160.05-71,481.93

Finding the Fourth Proportional to 116,774.02, 161,160.05 and 71,481.93

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Solution

The fourth proportional to 116,774.02, 161,160.05 and 71,481.93 is: 98,652.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,774.02 : 161,160.05 = 71,481.93 : x
  2. Step 2: Convert to fraction form
    116,774.02/161,160.05 = 71,481.93/x
  3. Step 3: Cross multiply
    116,774.02x = 161,160.05 × 71,481.93
  4. Step 4: Simplify right side
    116,774.02x = 11,520,031,412.90
  5. Step 5: Solve for x
    x = 11,520,031,412.90/116,774.02
  6. Step 6: Final answer
    x = 98,652.35

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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.