Home / 81,497.25-112,466.61-47,529.29

Finding the Fourth Proportional to 81,497.25, 112,466.61 and 47,529.29

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Solution

The fourth proportional to 81,497.25, 112,466.61 and 47,529.29 is: 65,590.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,497.25 : 112,466.61 = 47,529.29 : x
  2. Step 2: Convert to fraction form
    81,497.25/112,466.61 = 47,529.29/x
  3. Step 3: Cross multiply
    81,497.25x = 112,466.61 × 47,529.29
  4. Step 4: Simplify right side
    81,497.25x = 5,345,458,403.17
  5. Step 5: Solve for x
    x = 5,345,458,403.17/81,497.25
  6. Step 6: Final answer
    x = 65,590.66

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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.