Home / 82,390.14-113,709.15-46,580.13

Finding the Fourth Proportional to 82,390.14, 113,709.15 and 46,580.13

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Solution

The fourth proportional to 82,390.14, 113,709.15 and 46,580.13 is: 64,286.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,390.14 : 113,709.15 = 46,580.13 : x
  2. Step 2: Convert to fraction form
    82,390.14/113,709.15 = 46,580.13/x
  3. Step 3: Cross multiply
    82,390.14x = 113,709.15 × 46,580.13
  4. Step 4: Simplify right side
    82,390.14x = 5,296,586,989.19
  5. Step 5: Solve for x
    x = 5,296,586,989.19/82,390.14
  6. Step 6: Final answer
    x = 64,286.66

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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.