Home / 84,183.04-126,192.64-70,359.04

Finding the Fourth Proportional to 84,183.04, 126,192.64 and 70,359.04

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Solution

The fourth proportional to 84,183.04, 126,192.64 and 70,359.04 is: 105,470.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,183.04 : 126,192.64 = 70,359.04 : x
  2. Step 2: Convert to fraction form
    84,183.04/126,192.64 = 70,359.04/x
  3. Step 3: Cross multiply
    84,183.04x = 126,192.64 × 70,359.04
  4. Step 4: Simplify right side
    84,183.04x = 8,878,793,005.47
  5. Step 5: Solve for x
    x = 8,878,793,005.47/84,183.04
  6. Step 6: Final answer
    x = 105,470.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.