Home / 84,700.18-126,880.86-50,947.56

Finding the Fourth Proportional to 84,700.18, 126,880.86 and 50,947.56

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Solution

The fourth proportional to 84,700.18, 126,880.86 and 50,947.56 is: 76,319.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,700.18 : 126,880.86 = 50,947.56 : x
  2. Step 2: Convert to fraction form
    84,700.18/126,880.86 = 50,947.56/x
  3. Step 3: Cross multiply
    84,700.18x = 126,880.86 × 50,947.56
  4. Step 4: Simplify right side
    84,700.18x = 6,464,270,227.70
  5. Step 5: Solve for x
    x = 6,464,270,227.70/84,700.18
  6. Step 6: Final answer
    x = 76,319.44

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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.