Home / 85,845.41-118,463.37-47,606.52

Finding the Fourth Proportional to 85,845.41, 118,463.37 and 47,606.52

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Solution

The fourth proportional to 85,845.41, 118,463.37 and 47,606.52 is: 65,695.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,845.41 : 118,463.37 = 47,606.52 : x
  2. Step 2: Convert to fraction form
    85,845.41/118,463.37 = 47,606.52/x
  3. Step 3: Cross multiply
    85,845.41x = 118,463.37 × 47,606.52
  4. Step 4: Simplify right side
    85,845.41x = 5,639,628,793.17
  5. Step 5: Solve for x
    x = 5,639,628,793.17/85,845.41
  6. Step 6: Final answer
    x = 65,695.17

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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.