Home / 81,534.74-122,293.92-22,376.36

Finding the Fourth Proportional to 81,534.74, 122,293.92 and 22,376.36

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Solution

The fourth proportional to 81,534.74, 122,293.92 and 22,376.36 is: 33,562.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,534.74 : 122,293.92 = 22,376.36 : x
  2. Step 2: Convert to fraction form
    81,534.74/122,293.92 = 22,376.36/x
  3. Step 3: Cross multiply
    81,534.74x = 122,293.92 × 22,376.36
  4. Step 4: Simplify right side
    81,534.74x = 2,736,492,779.73
  5. Step 5: Solve for x
    x = 2,736,492,779.73/81,534.74
  6. Step 6: Final answer
    x = 33,562.29

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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.