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Finding the Fourth Proportional to 85,223.37, 117,612.26 and 47,497.89

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Solution

The fourth proportional to 85,223.37, 117,612.26 and 47,497.89 is: 65,549.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,223.37 : 117,612.26 = 47,497.89 : x
  2. Step 2: Convert to fraction form
    85,223.37/117,612.26 = 47,497.89/x
  3. Step 3: Cross multiply
    85,223.37x = 117,612.26 × 47,497.89
  4. Step 4: Simplify right side
    85,223.37x = 5,586,333,950.64
  5. Step 5: Solve for x
    x = 5,586,333,950.64/85,223.37
  6. Step 6: Final answer
    x = 65,549.32

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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.