Home / 81,448.06-112,282.68-59,899.72

Finding the Fourth Proportional to 81,448.06, 112,282.68 and 59,899.72

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Solution

The fourth proportional to 81,448.06, 112,282.68 and 59,899.72 is: 82,576.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,448.06 : 112,282.68 = 59,899.72 : x
  2. Step 2: Convert to fraction form
    81,448.06/112,282.68 = 59,899.72/x
  3. Step 3: Cross multiply
    81,448.06x = 112,282.68 × 59,899.72
  4. Step 4: Simplify right side
    81,448.06x = 6,725,701,092.85
  5. Step 5: Solve for x
    x = 6,725,701,092.85/81,448.06
  6. Step 6: Final answer
    x = 82,576.57

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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.