Home / 76,160.98-114,172.80-36,155.26

Finding the Fourth Proportional to 76,160.98, 114,172.80 and 36,155.26

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Solution

The fourth proportional to 76,160.98, 114,172.80 and 36,155.26 is: 54,200.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,160.98 : 114,172.80 = 36,155.26 : x
  2. Step 2: Convert to fraction form
    76,160.98/114,172.80 = 36,155.26/x
  3. Step 3: Cross multiply
    76,160.98x = 114,172.80 × 36,155.26
  4. Step 4: Simplify right side
    76,160.98x = 4,127,947,268.93
  5. Step 5: Solve for x
    x = 4,127,947,268.93/76,160.98
  6. Step 6: Final answer
    x = 54,200.29

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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.