Home / 82,140.68-113,349.44-46,328.56

Finding the Fourth Proportional to 82,140.68, 113,349.44 and 46,328.56

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Solution

The fourth proportional to 82,140.68, 113,349.44 and 46,328.56 is: 63,930.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,140.68 : 113,349.44 = 46,328.56 : x
  2. Step 2: Convert to fraction form
    82,140.68/113,349.44 = 46,328.56/x
  3. Step 3: Cross multiply
    82,140.68x = 113,349.44 × 46,328.56
  4. Step 4: Simplify right side
    82,140.68x = 5,251,316,164.45
  5. Step 5: Solve for x
    x = 5,251,316,164.45/82,140.68
  6. Step 6: Final answer
    x = 63,930.76

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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.