Home / 82,989.20-114,520.60-47,174.24

Finding the Fourth Proportional to 82,989.20, 114,520.60 and 47,174.24

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Solution

The fourth proportional to 82,989.20, 114,520.60 and 47,174.24 is: 65,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,989.20 : 114,520.60 = 47,174.24 : x
  2. Step 2: Convert to fraction form
    82,989.20/114,520.60 = 47,174.24/x
  3. Step 3: Cross multiply
    82,989.20x = 114,520.60 × 47,174.24
  4. Step 4: Simplify right side
    82,989.20x = 5,402,422,269.34
  5. Step 5: Solve for x
    x = 5,402,422,269.34/82,989.20
  6. Step 6: Final answer
    x = 65,097.90

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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.