Home / 76,429.17-114,642.68-53,846.51

Finding the Fourth Proportional to 76,429.17, 114,642.68 and 53,846.51

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Solution

The fourth proportional to 76,429.17, 114,642.68 and 53,846.51 is: 80,769.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,429.17 : 114,642.68 = 53,846.51 : x
  2. Step 2: Convert to fraction form
    76,429.17/114,642.68 = 53,846.51/x
  3. Step 3: Cross multiply
    76,429.17x = 114,642.68 × 53,846.51
  4. Step 4: Simplify right side
    76,429.17x = 6,173,107,372.60
  5. Step 5: Solve for x
    x = 6,173,107,372.60/76,429.17
  6. Step 6: Final answer
    x = 80,769.00

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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.