Home / 73,122.03-100,878.30-49,256.40

Finding the Fourth Proportional to 73,122.03, 100,878.30 and 49,256.40

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Solution

The fourth proportional to 73,122.03, 100,878.30 and 49,256.40 is: 67,953.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,122.03 : 100,878.30 = 49,256.40 : x
  2. Step 2: Convert to fraction form
    73,122.03/100,878.30 = 49,256.40/x
  3. Step 3: Cross multiply
    73,122.03x = 100,878.30 × 49,256.40
  4. Step 4: Simplify right side
    73,122.03x = 4,968,901,896.12
  5. Step 5: Solve for x
    x = 4,968,901,896.12/73,122.03
  6. Step 6: Final answer
    x = 67,953.56

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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.