Home / 117,095.03-161,596.85-71,775.53

Finding the Fourth Proportional to 117,095.03, 161,596.85 and 71,775.53

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Solution

The fourth proportional to 117,095.03, 161,596.85 and 71,775.53 is: 99,053.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,095.03 : 161,596.85 = 71,775.53 : x
  2. Step 2: Convert to fraction form
    117,095.03/161,596.85 = 71,775.53/x
  3. Step 3: Cross multiply
    117,095.03x = 161,596.85 × 71,775.53
  4. Step 4: Simplify right side
    117,095.03x = 11,598,698,388.22
  5. Step 5: Solve for x
    x = 11,598,698,388.22/117,095.03
  6. Step 6: Final answer
    x = 99,053.72

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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.