Home / 76,776.48-115,119.35-29,395.04

Finding the Fourth Proportional to 76,776.48, 115,119.35 and 29,395.04

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Solution

The fourth proportional to 76,776.48, 115,119.35 and 29,395.04 is: 44,075.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,776.48 : 115,119.35 = 29,395.04 : x
  2. Step 2: Convert to fraction form
    76,776.48/115,119.35 = 29,395.04/x
  3. Step 3: Cross multiply
    76,776.48x = 115,119.35 × 29,395.04
  4. Step 4: Simplify right side
    76,776.48x = 3,383,937,175.45
  5. Step 5: Solve for x
    x = 3,383,937,175.45/76,776.48
  6. Step 6: Final answer
    x = 44,075.18

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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.