Home / 81,533.04-122,316.84-26,167.92

Finding the Fourth Proportional to 81,533.04, 122,316.84 and 26,167.92

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Solution

The fourth proportional to 81,533.04, 122,316.84 and 26,167.92 is: 39,257.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,533.04 : 122,316.84 = 26,167.92 : x
  2. Step 2: Convert to fraction form
    81,533.04/122,316.84 = 26,167.92/x
  3. Step 3: Cross multiply
    81,533.04x = 122,316.84 × 26,167.92
  4. Step 4: Simplify right side
    81,533.04x = 3,200,777,283.77
  5. Step 5: Solve for x
    x = 3,200,777,283.77/81,533.04
  6. Step 6: Final answer
    x = 39,257.43

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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.