Home / 82,689.76-114,115.44-46,879.48

Finding the Fourth Proportional to 82,689.76, 114,115.44 and 46,879.48

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Solution

The fourth proportional to 82,689.76, 114,115.44 and 46,879.48 is: 64,695.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,689.76 : 114,115.44 = 46,879.48 : x
  2. Step 2: Convert to fraction form
    82,689.76/114,115.44 = 46,879.48/x
  3. Step 3: Cross multiply
    82,689.76x = 114,115.44 × 46,879.48
  4. Step 4: Simplify right side
    82,689.76x = 5,349,672,487.17
  5. Step 5: Solve for x
    x = 5,349,672,487.17/82,689.76
  6. Step 6: Final answer
    x = 64,695.71

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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.