Home / 77,394.96-116,131.32-57,713.04

Finding the Fourth Proportional to 77,394.96, 116,131.32 and 57,713.04

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Solution

The fourth proportional to 77,394.96, 116,131.32 and 57,713.04 is: 86,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,394.96 : 116,131.32 = 57,713.04 : x
  2. Step 2: Convert to fraction form
    77,394.96/116,131.32 = 57,713.04/x
  3. Step 3: Cross multiply
    77,394.96x = 116,131.32 × 57,713.04
  4. Step 4: Simplify right side
    77,394.96x = 6,702,291,516.41
  5. Step 5: Solve for x
    x = 6,702,291,516.41/77,394.96
  6. Step 6: Final answer
    x = 86,598.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.