Home / 84,392.23-126,650.54-40,018.91

Finding the Fourth Proportional to 84,392.23, 126,650.54 and 40,018.91

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Solution

The fourth proportional to 84,392.23, 126,650.54 and 40,018.91 is: 60,057.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,392.23 : 126,650.54 = 40,018.91 : x
  2. Step 2: Convert to fraction form
    84,392.23/126,650.54 = 40,018.91/x
  3. Step 3: Cross multiply
    84,392.23x = 126,650.54 × 40,018.91
  4. Step 4: Simplify right side
    84,392.23x = 5,068,416,515.81
  5. Step 5: Solve for x
    x = 5,068,416,515.81/84,392.23
  6. Step 6: Final answer
    x = 60,057.86

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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.