Home / 84,245.34-126,305.64-39,820.22

Finding the Fourth Proportional to 84,245.34, 126,305.64 and 39,820.22

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Solution

The fourth proportional to 84,245.34, 126,305.64 and 39,820.22 is: 59,700.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,245.34 : 126,305.64 = 39,820.22 : x
  2. Step 2: Convert to fraction form
    84,245.34/126,305.64 = 39,820.22/x
  3. Step 3: Cross multiply
    84,245.34x = 126,305.64 × 39,820.22
  4. Step 4: Simplify right side
    84,245.34x = 5,029,517,740.51
  5. Step 5: Solve for x
    x = 5,029,517,740.51/84,245.34
  6. Step 6: Final answer
    x = 59,700.84

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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.