Home / 82,865.99-114,355.10-45,140.24

Finding the Fourth Proportional to 82,865.99, 114,355.10 and 45,140.24

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Solution

The fourth proportional to 82,865.99, 114,355.10 and 45,140.24 is: 62,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,865.99 : 114,355.10 = 45,140.24 : x
  2. Step 2: Convert to fraction form
    82,865.99/114,355.10 = 45,140.24/x
  3. Step 3: Cross multiply
    82,865.99x = 114,355.10 × 45,140.24
  4. Step 4: Simplify right side
    82,865.99x = 5,162,016,659.22
  5. Step 5: Solve for x
    x = 5,162,016,659.22/82,865.99
  6. Step 6: Final answer
    x = 62,293.55

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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.