Home / 117,324.58-161,897.95-66,330.24

Finding the Fourth Proportional to 117,324.58, 161,897.95 and 66,330.24

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Solution

The fourth proportional to 117,324.58, 161,897.95 and 66,330.24 is: 91,530.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,324.58 : 161,897.95 = 66,330.24 : x
  2. Step 2: Convert to fraction form
    117,324.58/161,897.95 = 66,330.24/x
  3. Step 3: Cross multiply
    117,324.58x = 161,897.95 × 66,330.24
  4. Step 4: Simplify right side
    117,324.58x = 10,738,728,737.87
  5. Step 5: Solve for x
    x = 10,738,728,737.87/117,324.58
  6. Step 6: Final answer
    x = 91,530.09

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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.