Home / 85,984.43-128,926.96-33,332.41

Finding the Fourth Proportional to 85,984.43, 128,926.96 and 33,332.41

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Solution

The fourth proportional to 85,984.43, 128,926.96 and 33,332.41 is: 49,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,984.43 : 128,926.96 = 33,332.41 : x
  2. Step 2: Convert to fraction form
    85,984.43/128,926.96 = 33,332.41/x
  3. Step 3: Cross multiply
    85,984.43x = 128,926.96 × 33,332.41
  4. Step 4: Simplify right side
    85,984.43x = 4,297,446,290.77
  5. Step 5: Solve for x
    x = 4,297,446,290.77/85,984.43
  6. Step 6: Final answer
    x = 49,979.35

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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.