Home / 76,732.80-115,105.95-23,436.81

Finding the Fourth Proportional to 76,732.80, 115,105.95 and 23,436.81

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Solution

The fourth proportional to 76,732.80, 115,105.95 and 23,436.81 is: 35,157.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,732.80 : 115,105.95 = 23,436.81 : x
  2. Step 2: Convert to fraction form
    76,732.80/115,105.95 = 23,436.81/x
  3. Step 3: Cross multiply
    76,732.80x = 115,105.95 × 23,436.81
  4. Step 4: Simplify right side
    76,732.80x = 2,697,716,280.02
  5. Step 5: Solve for x
    x = 2,697,716,280.02/76,732.80
  6. Step 6: Final answer
    x = 35,157.28

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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.