Home / 79,516.43-109,740.24-45,527.60

Finding the Fourth Proportional to 79,516.43, 109,740.24 and 45,527.60

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Solution

The fourth proportional to 79,516.43, 109,740.24 and 45,527.60 is: 62,832.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,516.43 : 109,740.24 = 45,527.60 : x
  2. Step 2: Convert to fraction form
    79,516.43/109,740.24 = 45,527.60/x
  3. Step 3: Cross multiply
    79,516.43x = 109,740.24 × 45,527.60
  4. Step 4: Simplify right side
    79,516.43x = 4,996,209,750.62
  5. Step 5: Solve for x
    x = 4,996,209,750.62/79,516.43
  6. Step 6: Final answer
    x = 62,832.42

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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.