Home / 54,531.28-81,834.59-35,820.28

Finding the Fourth Proportional to 54,531.28, 81,834.59 and 35,820.28

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Solution

The fourth proportional to 54,531.28, 81,834.59 and 35,820.28 is: 53,755.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,531.28 : 81,834.59 = 35,820.28 : x
  2. Step 2: Convert to fraction form
    54,531.28/81,834.59 = 35,820.28/x
  3. Step 3: Cross multiply
    54,531.28x = 81,834.59 × 35,820.28
  4. Step 4: Simplify right side
    54,531.28x = 2,931,337,927.49
  5. Step 5: Solve for x
    x = 2,931,337,927.49/54,531.28
  6. Step 6: Final answer
    x = 53,755.16

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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.