Home / 76,221.75-114,402.81-38,808.57

Finding the Fourth Proportional to 76,221.75, 114,402.81 and 38,808.57

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Solution

The fourth proportional to 76,221.75, 114,402.81 and 38,808.57 is: 58,248.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,221.75 : 114,402.81 = 38,808.57 : x
  2. Step 2: Convert to fraction form
    76,221.75/114,402.81 = 38,808.57/x
  3. Step 3: Cross multiply
    76,221.75x = 114,402.81 × 38,808.57
  4. Step 4: Simplify right side
    76,221.75x = 4,439,809,460.08
  5. Step 5: Solve for x
    x = 4,439,809,460.08/76,221.75
  6. Step 6: Final answer
    x = 58,248.59

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1.5x scale

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.