Home / 67,116.50-100,455.69-49,342.45

Finding the Fourth Proportional to 67,116.50, 100,455.69 and 49,342.45

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Solution

The fourth proportional to 67,116.50, 100,455.69 and 49,342.45 is: 73,852.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,116.50 : 100,455.69 = 49,342.45 : x
  2. Step 2: Convert to fraction form
    67,116.50/100,455.69 = 49,342.45/x
  3. Step 3: Cross multiply
    67,116.50x = 100,455.69 × 49,342.45
  4. Step 4: Simplify right side
    67,116.50x = 4,956,729,861.04
  5. Step 5: Solve for x
    x = 4,956,729,861.04/67,116.50
  6. Step 6: Final answer
    x = 73,852.63

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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.