Home / 83,133.28-114,720.60-45,408.88

Finding the Fourth Proportional to 83,133.28, 114,720.60 and 45,408.88

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Solution

The fourth proportional to 83,133.28, 114,720.60 and 45,408.88 is: 62,662.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,133.28 : 114,720.60 = 45,408.88 : x
  2. Step 2: Convert to fraction form
    83,133.28/114,720.60 = 45,408.88/x
  3. Step 3: Cross multiply
    83,133.28x = 114,720.60 × 45,408.88
  4. Step 4: Simplify right side
    83,133.28x = 5,209,333,958.93
  5. Step 5: Solve for x
    x = 5,209,333,958.93/83,133.28
  6. Step 6: Final answer
    x = 62,662.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.