Home / 85,829.29-118,439.68-47,586.61

Finding the Fourth Proportional to 85,829.29, 118,439.68 and 47,586.61

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Solution

The fourth proportional to 85,829.29, 118,439.68 and 47,586.61 is: 65,666.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,829.29 : 118,439.68 = 47,586.61 : x
  2. Step 2: Convert to fraction form
    85,829.29/118,439.68 = 47,586.61/x
  3. Step 3: Cross multiply
    85,829.29x = 118,439.68 × 47,586.61
  4. Step 4: Simplify right side
    85,829.29x = 5,636,142,445.62
  5. Step 5: Solve for x
    x = 5,636,142,445.62/85,829.29
  6. Step 6: Final answer
    x = 65,666.89

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