Home / 84,416.82-126,562.33-28,223.68

Finding the Fourth Proportional to 84,416.82, 126,562.33 and 28,223.68

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Solution

The fourth proportional to 84,416.82, 126,562.33 and 28,223.68 is: 42,314.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,416.82 : 126,562.33 = 28,223.68 : x
  2. Step 2: Convert to fraction form
    84,416.82/126,562.33 = 28,223.68/x
  3. Step 3: Cross multiply
    84,416.82x = 126,562.33 × 28,223.68
  4. Step 4: Simplify right side
    84,416.82x = 3,572,054,701.97
  5. Step 5: Solve for x
    x = 3,572,054,701.97/84,416.82
  6. Step 6: Final answer
    x = 42,314.49

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1.5x scale

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.