Home / 76,083.08-114,062.78-31,742.87

Finding the Fourth Proportional to 76,083.08, 114,062.78 and 31,742.87

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Solution

The fourth proportional to 76,083.08, 114,062.78 and 31,742.87 is: 47,588.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,083.08 : 114,062.78 = 31,742.87 : x
  2. Step 2: Convert to fraction form
    76,083.08/114,062.78 = 31,742.87/x
  3. Step 3: Cross multiply
    76,083.08x = 114,062.78 × 31,742.87
  4. Step 4: Simplify right side
    76,083.08x = 3,620,679,506.42
  5. Step 5: Solve for x
    x = 3,620,679,506.42/76,083.08
  6. Step 6: Final answer
    x = 47,588.50

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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.