Home / 82,131.14-113,342.02-46,317.80

Finding the Fourth Proportional to 82,131.14, 113,342.02 and 46,317.80

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Solution

The fourth proportional to 82,131.14, 113,342.02 and 46,317.80 is: 63,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,131.14 : 113,342.02 = 46,317.80 : x
  2. Step 2: Convert to fraction form
    82,131.14/113,342.02 = 46,317.80/x
  3. Step 3: Cross multiply
    82,131.14x = 113,342.02 × 46,317.80
  4. Step 4: Simplify right side
    82,131.14x = 5,249,753,013.96
  5. Step 5: Solve for x
    x = 5,249,753,013.96/82,131.14
  6. Step 6: Final answer
    x = 63,919.15

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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.