Home / 81,562.29-112,532.82-47,572.26

Finding the Fourth Proportional to 81,562.29, 112,532.82 and 47,572.26

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Solution

The fourth proportional to 81,562.29, 112,532.82 and 47,572.26 is: 65,636.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,562.29 : 112,532.82 = 47,572.26 : x
  2. Step 2: Convert to fraction form
    81,562.29/112,532.82 = 47,572.26/x
  3. Step 3: Cross multiply
    81,562.29x = 112,532.82 × 47,572.26
  4. Step 4: Simplify right side
    81,562.29x = 5,353,440,571.57
  5. Step 5: Solve for x
    x = 5,353,440,571.57/81,562.29
  6. Step 6: Final answer
    x = 65,636.22

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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.