Home / 113,304.87-156,364.53-62,321.54

Finding the Fourth Proportional to 113,304.87, 156,364.53 and 62,321.54

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Solution

The fourth proportional to 113,304.87, 156,364.53 and 62,321.54 is: 86,005.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,304.87 : 156,364.53 = 62,321.54 : x
  2. Step 2: Convert to fraction form
    113,304.87/156,364.53 = 62,321.54/x
  3. Step 3: Cross multiply
    113,304.87x = 156,364.53 × 62,321.54
  4. Step 4: Simplify right side
    113,304.87x = 9,744,877,529.15
  5. Step 5: Solve for x
    x = 9,744,877,529.15/113,304.87
  6. Step 6: Final answer
    x = 86,005.82

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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.