Home / 81,525.72-112,506.57-49,697.58

Finding the Fourth Proportional to 81,525.72, 112,506.57 and 49,697.58

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Solution

The fourth proportional to 81,525.72, 112,506.57 and 49,697.58 is: 68,583.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,525.72 : 112,506.57 = 49,697.58 : x
  2. Step 2: Convert to fraction form
    81,525.72/112,506.57 = 49,697.58/x
  3. Step 3: Cross multiply
    81,525.72x = 112,506.57 × 49,697.58
  4. Step 4: Simplify right side
    81,525.72x = 5,591,304,685.00
  5. Step 5: Solve for x
    x = 5,591,304,685.00/81,525.72
  6. Step 6: Final answer
    x = 68,583.32

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1.5x scale

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.