Home / 81,717.42-122,462.73-37,235.46

Finding the Fourth Proportional to 81,717.42, 122,462.73 and 37,235.46

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Solution

The fourth proportional to 81,717.42, 122,462.73 and 37,235.46 is: 55,801.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,717.42 : 122,462.73 = 37,235.46 : x
  2. Step 2: Convert to fraction form
    81,717.42/122,462.73 = 37,235.46/x
  3. Step 3: Cross multiply
    81,717.42x = 122,462.73 × 37,235.46
  4. Step 4: Simplify right side
    81,717.42x = 4,559,956,084.41
  5. Step 5: Solve for x
    x = 4,559,956,084.41/81,717.42
  6. Step 6: Final answer
    x = 55,801.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.