Home / 79,817.34-119,800.20-40,402.38

Finding the Fourth Proportional to 79,817.34, 119,800.20 and 40,402.38

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Solution

The fourth proportional to 79,817.34, 119,800.20 and 40,402.38 is: 60,641.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,817.34 : 119,800.20 = 40,402.38 : x
  2. Step 2: Convert to fraction form
    79,817.34/119,800.20 = 40,402.38/x
  3. Step 3: Cross multiply
    79,817.34x = 119,800.20 × 40,402.38
  4. Step 4: Simplify right side
    79,817.34x = 4,840,213,204.48
  5. Step 5: Solve for x
    x = 4,840,213,204.48/79,817.34
  6. Step 6: Final answer
    x = 60,641.12

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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.