Home / 72,300.48-108,444.32-25,551.04

Finding the Fourth Proportional to 72,300.48, 108,444.32 and 25,551.04

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Solution

The fourth proportional to 72,300.48, 108,444.32 and 25,551.04 is: 38,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,300.48 : 108,444.32 = 25,551.04 : x
  2. Step 2: Convert to fraction form
    72,300.48/108,444.32 = 25,551.04/x
  3. Step 3: Cross multiply
    72,300.48x = 108,444.32 × 25,551.04
  4. Step 4: Simplify right side
    72,300.48x = 2,770,865,158.09
  5. Step 5: Solve for x
    x = 2,770,865,158.09/72,300.48
  6. Step 6: Final answer
    x = 38,324.30

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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.