Home / 112,912.48-169,221.08-46,274.59

Finding the Fourth Proportional to 112,912.48, 169,221.08 and 46,274.59

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Solution

The fourth proportional to 112,912.48, 169,221.08 and 46,274.59 is: 69,351.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,912.48 : 169,221.08 = 46,274.59 : x
  2. Step 2: Convert to fraction form
    112,912.48/169,221.08 = 46,274.59/x
  3. Step 3: Cross multiply
    112,912.48x = 169,221.08 × 46,274.59
  4. Step 4: Simplify right side
    112,912.48x = 7,830,636,096.36
  5. Step 5: Solve for x
    x = 7,830,636,096.36/112,912.48
  6. Step 6: Final answer
    x = 69,351.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.