Home / 67,560.64-93,233.68-40,704.28

Finding the Fourth Proportional to 67,560.64, 93,233.68 and 40,704.28

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Solution

The fourth proportional to 67,560.64, 93,233.68 and 40,704.28 is: 56,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,560.64 : 93,233.68 = 40,704.28 : x
  2. Step 2: Convert to fraction form
    67,560.64/93,233.68 = 40,704.28/x
  3. Step 3: Cross multiply
    67,560.64x = 93,233.68 × 40,704.28
  4. Step 4: Simplify right side
    67,560.64x = 3,795,009,816.15
  5. Step 5: Solve for x
    x = 3,795,009,816.15/67,560.64
  6. Step 6: Final answer
    x = 56,171.90

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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.