Home / 117,036.99-161,510.96-66,060.45

Finding the Fourth Proportional to 117,036.99, 161,510.96 and 66,060.45

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Solution

The fourth proportional to 117,036.99, 161,510.96 and 66,060.45 is: 91,163.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,036.99 : 161,510.96 = 66,060.45 : x
  2. Step 2: Convert to fraction form
    117,036.99/161,510.96 = 66,060.45/x
  3. Step 3: Cross multiply
    117,036.99x = 161,510.96 × 66,060.45
  4. Step 4: Simplify right side
    117,036.99x = 10,669,486,862.68
  5. Step 5: Solve for x
    x = 10,669,486,862.68/117,036.99
  6. Step 6: Final answer
    x = 91,163.37

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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.