Home / 76,298.31-114,426.68-31,917.87

Finding the Fourth Proportional to 76,298.31, 114,426.68 and 31,917.87

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Solution

The fourth proportional to 76,298.31, 114,426.68 and 31,917.87 is: 47,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,298.31 : 114,426.68 = 31,917.87 : x
  2. Step 2: Convert to fraction form
    76,298.31/114,426.68 = 31,917.87/x
  3. Step 3: Cross multiply
    76,298.31x = 114,426.68 × 31,917.87
  4. Step 4: Simplify right side
    76,298.31x = 3,652,255,737.18
  5. Step 5: Solve for x
    x = 3,652,255,737.18/76,298.31
  6. Step 6: Final answer
    x = 47,868.11

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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.