Home / 84,217.50-126,263.06-50,930.74

Finding the Fourth Proportional to 84,217.50, 126,263.06 and 50,930.74

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Solution

The fourth proportional to 84,217.50, 126,263.06 and 50,930.74 is: 76,357.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,217.50 : 126,263.06 = 50,930.74 : x
  2. Step 2: Convert to fraction form
    84,217.50/126,263.06 = 50,930.74/x
  3. Step 3: Cross multiply
    84,217.50x = 126,263.06 × 50,930.74
  4. Step 4: Simplify right side
    84,217.50x = 6,430,671,080.46
  5. Step 5: Solve for x
    x = 6,430,671,080.46/84,217.50
  6. Step 6: Final answer
    x = 76,357.90

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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.