Home / 54,515.10-81,772.65-35,852.70

Finding the Fourth Proportional to 54,515.10, 81,772.65 and 35,852.70

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Solution

The fourth proportional to 54,515.10, 81,772.65 and 35,852.70 is: 53,779.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,515.10 : 81,772.65 = 35,852.70 : x
  2. Step 2: Convert to fraction form
    54,515.10/81,772.65 = 35,852.70/x
  3. Step 3: Cross multiply
    54,515.10x = 81,772.65 × 35,852.70
  4. Step 4: Simplify right side
    54,515.10x = 2,931,770,288.66
  5. Step 5: Solve for x
    x = 2,931,770,288.66/54,515.10
  6. Step 6: Final answer
    x = 53,779.05

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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.