Home / 70,011.18-96,611.94-39,792.54

Finding the Fourth Proportional to 70,011.18, 96,611.94 and 39,792.54

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Solution

The fourth proportional to 70,011.18, 96,611.94 and 39,792.54 is: 54,911.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,011.18 : 96,611.94 = 39,792.54 : x
  2. Step 2: Convert to fraction form
    70,011.18/96,611.94 = 39,792.54/x
  3. Step 3: Cross multiply
    70,011.18x = 96,611.94 × 39,792.54
  4. Step 4: Simplify right side
    70,011.18x = 3,844,434,486.93
  5. Step 5: Solve for x
    x = 3,844,434,486.93/70,011.18
  6. Step 6: Final answer
    x = 54,911.72

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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.