Home / 84,226.08-126,309.96-64,630.56

Finding the Fourth Proportional to 84,226.08, 126,309.96 and 64,630.56

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Solution

The fourth proportional to 84,226.08, 126,309.96 and 64,630.56 is: 96,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,226.08 : 126,309.96 = 64,630.56 : x
  2. Step 2: Convert to fraction form
    84,226.08/126,309.96 = 64,630.56/x
  3. Step 3: Cross multiply
    84,226.08x = 126,309.96 × 64,630.56
  4. Step 4: Simplify right side
    84,226.08x = 8,163,483,448.38
  5. Step 5: Solve for x
    x = 8,163,483,448.38/84,226.08
  6. Step 6: Final answer
    x = 96,923.46

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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.