Home / 55,796.10-76,970.04-35,631.78

Finding the Fourth Proportional to 55,796.10, 76,970.04 and 35,631.78

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Solution

The fourth proportional to 55,796.10, 76,970.04 and 35,631.78 is: 49,153.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,796.10 : 76,970.04 = 35,631.78 : x
  2. Step 2: Convert to fraction form
    55,796.10/76,970.04 = 35,631.78/x
  3. Step 3: Cross multiply
    55,796.10x = 76,970.04 × 35,631.78
  4. Step 4: Simplify right side
    55,796.10x = 2,742,579,531.87
  5. Step 5: Solve for x
    x = 2,742,579,531.87/55,796.10
  6. Step 6: Final answer
    x = 49,153.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.