Home / 84,207.43-126,244.14-48,628.36

Finding the Fourth Proportional to 84,207.43, 126,244.14 and 48,628.36

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Solution

The fourth proportional to 84,207.43, 126,244.14 and 48,628.36 is: 72,903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,207.43 : 126,244.14 = 48,628.36 : x
  2. Step 2: Convert to fraction form
    84,207.43/126,244.14 = 48,628.36/x
  3. Step 3: Cross multiply
    84,207.43x = 126,244.14 × 48,628.36
  4. Step 4: Simplify right side
    84,207.43x = 6,139,045,487.81
  5. Step 5: Solve for x
    x = 6,139,045,487.81/84,207.43
  6. Step 6: Final answer
    x = 72,903.85

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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.