Home / 67,045.35-100,584.96-31,500.08

Finding the Fourth Proportional to 67,045.35, 100,584.96 and 31,500.08

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Solution

The fourth proportional to 67,045.35, 100,584.96 and 31,500.08 is: 47,258.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,045.35 : 100,584.96 = 31,500.08 : x
  2. Step 2: Convert to fraction form
    67,045.35/100,584.96 = 31,500.08/x
  3. Step 3: Cross multiply
    67,045.35x = 100,584.96 × 31,500.08
  4. Step 4: Simplify right side
    67,045.35x = 3,168,433,783.87
  5. Step 5: Solve for x
    x = 3,168,433,783.87/67,045.35
  6. Step 6: Final answer
    x = 47,258.07

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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.