Home / 71,007.99-98,405.27-70,005.75

Finding the Fourth Proportional to 71,007.99, 98,405.27 and 70,005.75

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Solution

The fourth proportional to 71,007.99, 98,405.27 and 70,005.75 is: 97,016.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,007.99 : 98,405.27 = 70,005.75 : x
  2. Step 2: Convert to fraction form
    71,007.99/98,405.27 = 70,005.75/x
  3. Step 3: Cross multiply
    71,007.99x = 98,405.27 × 70,005.75
  4. Step 4: Simplify right side
    71,007.99x = 6,888,934,730.30
  5. Step 5: Solve for x
    x = 6,888,934,730.30/71,007.99
  6. Step 6: Final answer
    x = 97,016.33

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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.