Home / 71,007.24-98,404.23-70,005

Finding the Fourth Proportional to 71,007.24, 98,404.23 and 70,005

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Solution

The fourth proportional to 71,007.24, 98,404.23 and 70,005 is: 97,015.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,007.24 : 98,404.23 = 70,005 : x
  2. Step 2: Convert to fraction form
    71,007.24/98,404.23 = 70,005/x
  3. Step 3: Cross multiply
    71,007.24x = 98,404.23 × 70,005
  4. Step 4: Simplify right side
    71,007.24x = 6,888,788,121.15
  5. Step 5: Solve for x
    x = 6,888,788,121.15/71,007.24
  6. Step 6: Final answer
    x = 97,015.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.