Home / 73,005.30-100,768.86-42,797.16

Finding the Fourth Proportional to 73,005.30, 100,768.86 and 42,797.16

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Solution

The fourth proportional to 73,005.30, 100,768.86 and 42,797.16 is: 59,072.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,005.30 : 100,768.86 = 42,797.16 : x
  2. Step 2: Convert to fraction form
    73,005.30/100,768.86 = 42,797.16/x
  3. Step 3: Cross multiply
    73,005.30x = 100,768.86 × 42,797.16
  4. Step 4: Simplify right side
    73,005.30x = 4,312,621,024.44
  5. Step 5: Solve for x
    x = 4,312,621,024.44/73,005.30
  6. Step 6: Final answer
    x = 59,072.71

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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.