Home / 73,011.72-100,790.16-42,792.84

Finding the Fourth Proportional to 73,011.72, 100,790.16 and 42,792.84

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Solution

The fourth proportional to 73,011.72, 100,790.16 and 42,792.84 is: 59,074.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,011.72 : 100,790.16 = 42,792.84 : x
  2. Step 2: Convert to fraction form
    73,011.72/100,790.16 = 42,792.84/x
  3. Step 3: Cross multiply
    73,011.72x = 100,790.16 × 42,792.84
  4. Step 4: Simplify right side
    73,011.72x = 4,313,097,190.45
  5. Step 5: Solve for x
    x = 4,313,097,190.45/73,011.72
  6. Step 6: Final answer
    x = 59,074.04

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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.