Home / 54,627.18-81,913.34-26,529.62

Finding the Fourth Proportional to 54,627.18, 81,913.34 and 26,529.62

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Solution

The fourth proportional to 54,627.18, 81,913.34 and 26,529.62 is: 39,781.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,627.18 : 81,913.34 = 26,529.62 : x
  2. Step 2: Convert to fraction form
    54,627.18/81,913.34 = 26,529.62/x
  3. Step 3: Cross multiply
    54,627.18x = 81,913.34 × 26,529.62
  4. Step 4: Simplify right side
    54,627.18x = 2,173,129,783.13
  5. Step 5: Solve for x
    x = 2,173,129,783.13/54,627.18
  6. Step 6: Final answer
    x = 39,781.11

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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.