Home / 84,590.88-126,875.39-40,245.81

Finding the Fourth Proportional to 84,590.88, 126,875.39 and 40,245.81

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Solution

The fourth proportional to 84,590.88, 126,875.39 and 40,245.81 is: 60,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,590.88 : 126,875.39 = 40,245.81 : x
  2. Step 2: Convert to fraction form
    84,590.88/126,875.39 = 40,245.81/x
  3. Step 3: Cross multiply
    84,590.88x = 126,875.39 × 40,245.81
  4. Step 4: Simplify right side
    84,590.88x = 5,106,202,638.39
  5. Step 5: Solve for x
    x = 5,106,202,638.39/84,590.88
  6. Step 6: Final answer
    x = 60,363.51

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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.