Home / 112,845.96-155,677.32-72,552.24

Finding the Fourth Proportional to 112,845.96, 155,677.32 and 72,552.24

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Solution

The fourth proportional to 112,845.96, 155,677.32 and 72,552.24 is: 100,089.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,845.96 : 155,677.32 = 72,552.24 : x
  2. Step 2: Convert to fraction form
    112,845.96/155,677.32 = 72,552.24/x
  3. Step 3: Cross multiply
    112,845.96x = 155,677.32 × 72,552.24
  4. Step 4: Simplify right side
    112,845.96x = 11,294,738,283.20
  5. Step 5: Solve for x
    x = 11,294,738,283.20/112,845.96
  6. Step 6: Final answer
    x = 100,089.88

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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.