Home / 70,014.08-96,622.85-39,396.76

Finding the Fourth Proportional to 70,014.08, 96,622.85 and 39,396.76

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Solution

The fourth proportional to 70,014.08, 96,622.85 and 39,396.76 is: 54,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,014.08 : 96,622.85 = 39,396.76 : x
  2. Step 2: Convert to fraction form
    70,014.08/96,622.85 = 39,396.76/x
  3. Step 3: Cross multiply
    70,014.08x = 96,622.85 × 39,396.76
  4. Step 4: Simplify right side
    70,014.08x = 3,806,627,231.97
  5. Step 5: Solve for x
    x = 3,806,627,231.97/70,014.08
  6. Step 6: Final answer
    x = 54,369.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.