Home / 82,530.60-113,889.96-46,720.32

Finding the Fourth Proportional to 82,530.60, 113,889.96 and 46,720.32

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Solution

The fourth proportional to 82,530.60, 113,889.96 and 46,720.32 is: 64,472.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,530.60 : 113,889.96 = 46,720.32 : x
  2. Step 2: Convert to fraction form
    82,530.60/113,889.96 = 46,720.32/x
  3. Step 3: Cross multiply
    82,530.60x = 113,889.96 × 46,720.32
  4. Step 4: Simplify right side
    82,530.60x = 5,320,975,375.99
  5. Step 5: Solve for x
    x = 5,320,975,375.99/82,530.60
  6. Step 6: Final answer
    x = 64,472.76

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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.