Home / 72,544.84-108,838.32-25,801.36

Finding the Fourth Proportional to 72,544.84, 108,838.32 and 25,801.36

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Solution

The fourth proportional to 72,544.84, 108,838.32 and 25,801.36 is: 38,709.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,544.84 : 108,838.32 = 25,801.36 : x
  2. Step 2: Convert to fraction form
    72,544.84/108,838.32 = 25,801.36/x
  3. Step 3: Cross multiply
    72,544.84x = 108,838.32 × 25,801.36
  4. Step 4: Simplify right side
    72,544.84x = 2,808,176,676.12
  5. Step 5: Solve for x
    x = 2,808,176,676.12/72,544.84
  6. Step 6: Final answer
    x = 38,709.53

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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.