Home / 75,496.80-113,318.10-45,972.30

Finding the Fourth Proportional to 75,496.80, 113,318.10 and 45,972.30

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Solution

The fourth proportional to 75,496.80, 113,318.10 and 45,972.30 is: 69,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,496.80 : 113,318.10 = 45,972.30 : x
  2. Step 2: Convert to fraction form
    75,496.80/113,318.10 = 45,972.30/x
  3. Step 3: Cross multiply
    75,496.80x = 113,318.10 × 45,972.30
  4. Step 4: Simplify right side
    75,496.80x = 5,209,493,688.63
  5. Step 5: Solve for x
    x = 5,209,493,688.63/75,496.80
  6. Step 6: Final answer
    x = 69,002.84

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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.