Home / 112,945.64-169,192.56-67,942.19

Finding the Fourth Proportional to 112,945.64, 169,192.56 and 67,942.19

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Solution

The fourth proportional to 112,945.64, 169,192.56 and 67,942.19 is: 101,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,945.64 : 169,192.56 = 67,942.19 : x
  2. Step 2: Convert to fraction form
    112,945.64/169,192.56 = 67,942.19/x
  3. Step 3: Cross multiply
    112,945.64x = 169,192.56 × 67,942.19
  4. Step 4: Simplify right side
    112,945.64x = 11,495,312,635.13
  5. Step 5: Solve for x
    x = 11,495,312,635.13/112,945.64
  6. Step 6: Final answer
    x = 101,777.40

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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.